West Valley Water District (CA) Water Quality

West Valley Water District is a large public water system in EPA region 9 that provides tap water for the 92316, 92336, 92337, 92377, 92509 zip codes. It has 44 facilities where the water supply was tested for 78 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 32.8 µg/L. The maximum reported level of Manganese was 130 µg/L. There were 2 contamintants found in the West Valley Water District water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

Jump To Contaminant
1,1-dichloroethane (22)
1,2,3-trichloropropane (22)
1,3-butadiene (22)
1,4-dioxane (22)
1-butanol (24)
11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (20)
1H,1H,2H,2H-perfluorodecane sulfonic acid (20)
1H,1H,2H,2H-perfluorohexane sulfonic acid (20)
1H,1H,2H,2H-perfluorooctane sulfonic acid (20)
2,4-dinitrotoluene (41)
2,6-dinitrotoluene (41)
2-methoxyethanol (24)
2-propen-1-ol (Allyl Alcohol) (24)
4,4'-dichloro dichlorophenyl ethylene (DDE) (41)
4,8-dioxa-3H-perfluorononanoic acid (20)
9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (20)
alpha-hexachlorocyclohexane (24)
anatoxin-a (8)
bromochloromethane (Halon 1011) (22)
bromomethane (22)
Butylated Hydroxyanisole (24)
chlorate (44)
chlorodifluoromethane (HCFC-22) (22)
chloromethane (22)
chlorpyrifos (24)
chromium (44)
chromium-6 (44)
cobalt (44)
cylindrospermopsin (8)
dimethipin (24)
dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (41)
ethoprop (24)
Germanium (24)
HAA5 (five regulated haloacetic acids) (24)
HAA6Br (six brominated haloacetic acids) (24)
HAA9 (nine haloacetic acids) (24)
hexafluoropropylene oxide dimer acid (GenX) (20)
lithium (20)
Manganese (24)
methyl-tertiary-butyl-ether (MTBE) (41)
molinate (41)
molybdenum (44)
N-ethyl perfluorooctanesulfonamidoacetic acid (20)
N-methyl perfluorooctanesulfonamidoacetic acid (20)
nitrobenzene (41)
nonafluoro-3,6-dioxaheptanoic acid (20)
o-toluidine (24)
oxyfluorfen (24)
perchlorate (46)
perfluoro(2-ethoxyethane)sulfonic acid (20)
perfluoro-3-methoxypropanoic acid (20)
perfluoro-4-methoxybutanoic acid (20)
perfluorobutanesulfonic acid (42)
perfluorobutanoic acid (20)
perfluorodecanoic acid (20)
perfluorododecanoic acid (20)
perfluoroheptanesulfonic acid (20)
perfluoroheptanoic acid (42)
perfluorohexanesulfonic acid (42)
perfluorohexanoic acid (20)
perfluorononanoic acid (42)
perfluorooctanesulfonic acid (42)
perfluorooctanoic acid (42)
perfluoropentanesulfonic acid (20)
perfluoropentanoic acid (20)
perfluorotetradecanoic acid (20)
perfluorotridecanoic acid (20)
perfluoroundecanoic acid (20)
profenofos (24)
quinoline (24)
s-ethyl-dipropylthiocarbamate (EPTC) (41)
strontium (44)
tebuconazole (24)
terbacil (41)
total microcystins (8)
Total Permethrin (24)
tribufos (24)
vanadium (44)

1,1-dichloroethane (22)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

3/6/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,2,3-trichloropropane (22)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

3/6/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

1,3-butadiene (22)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.1 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.1 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.1 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.1 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.1 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.1 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.1 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.1 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.1 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.1 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.1 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.1 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.1 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.1 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.1 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.1 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.1 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.1 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.1 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.1 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.1 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.1 µg/L

Below Reporting Level

3/6/2014

11 years ago

Minimum Reporting Level: 0.1 µg/L
Reference Level: ?

Contaminant Details

1,4-dioxane (22)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.07 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.07 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.07 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.07 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.07 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.07 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.07 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.07 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.07 µg/L

Below Reporting Level

9/16/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

0.12 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.05 µg/L

9/9/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.07 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.07 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

0.1 µg/L

⚠️ Exceeds Reporting Level of 0.07 µg/L by 0.03 µg/L

3/20/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.07 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.07 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.07 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.07 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.07 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.07 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.07 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.07 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.07 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: ?

Contaminant Details

1-butanol (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<2 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<2 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<2 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<2 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<2 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<2 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<2 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<2 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<2 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<2 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<2 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<2 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<2 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<2 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<2 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<2 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<2 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<2 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<2 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<2 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<2 µg/L

Below Reporting Level

1/10/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<2 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<2 µg/L

Below Reporting Level

1/9/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<2 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

2,4-dinitrotoluene (41)

WELL 22 01N/05W-28J01

WELL 22 ℹ️

<2 µg/L

Below Reporting Level

12/19/2003

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<2 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<2 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<2 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<2 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<2 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2,6-dinitrotoluene (41)

WELL 22 01N/05W-28J01

WELL 22 ℹ️

<2 µg/L

Below Reporting Level

12/19/2003

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<2 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<2 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<2 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<2 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<2 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

2-methoxyethanol (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.4 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.4 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.4 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.4 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.4 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.4 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.4 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.4 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.4 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.4 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.4 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.4 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.4 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.4 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.4 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.4 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.4 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.4 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.4 µg/L

Below Reporting Level

1/10/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.4 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.4 µg/L

Below Reporting Level

1/9/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.4 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.5 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.5 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.5 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.5 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.5 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.5 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.5 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.5 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.5 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.5 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.5 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.5 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.5 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.5 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.5 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.5 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.5 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.5 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.5 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.5 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.5 µg/L

Below Reporting Level

1/10/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.5 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.5 µg/L

Below Reporting Level

1/9/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.5 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (41)

WELL 22 01N/05W-28J01

WELL 22 ℹ️

<0.8 µg/L

Below Reporting Level

12/19/2003

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<0.8 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<0.8 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<0.8 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<0.8 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<0.8 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<0.8 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<0.8 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<0.8 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<0.8 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<0.8 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<0.8 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<0.8 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<0.8 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<0.8 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<0.8 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<0.8 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<0.8 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<0.8 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<0.8 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<0.8 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<0.8 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<0.8 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<0.8 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<0.8 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<0.8 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<0.8 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<0.8 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<0.8 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<0.8 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<0.8 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<0.8 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<0.8 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<0.8 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<0.8 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<0.8 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<0.8 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 0.8 µg/L
Reference Level: ?

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.002 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.002 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.002 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.002 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.002 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.002 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.002 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.002 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.002 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.002 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.002 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.002 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.002 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.002 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.002 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.002 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.002 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.002 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

alpha-hexachlorocyclohexane (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.01 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.01 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.01 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.01 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.01 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.01 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.01 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.01 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.01 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.01 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.01 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.01 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.01 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.01 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.01 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.01 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.01 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.01 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.01 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.01 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.01 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.01 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L

Contaminant Details

anatoxin-a (8)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/16/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/20/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/7/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/17/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

4/18/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

4/4/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

bromochloromethane (Halon 1011) (22)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.06 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.06 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.06 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.06 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.06 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.06 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.06 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.06 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.06 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

0.071 µg/L

⚠️ Exceeds Reporting Level of 0.06 µg/L by 0.011 µg/L

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.06 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.06 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.06 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.06 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.06 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.06 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.06 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.06 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.06 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.06 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.06 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.06 µg/L

Below Reporting Level

3/6/2014

11 years ago

Minimum Reporting Level: 0.06 µg/L
Reference Level: ?

Contaminant Details

bromomethane (22)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.2 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.2 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.2 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.2 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.2 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.2 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.2 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.2 µg/L

Below Reporting Level

3/6/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Butylated Hydroxyanisole (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

6/4/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

6/4/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.03 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

1/9/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.03 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

chlorate (44)

DSMRT for Roemer WTP

Distribution System - SW ℹ️

47 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 27 µg/L

12/5/2014

10 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

44 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 24 µg/L

12/5/2014

10 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 160 µg/L

9/24/2014

10 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L

9/24/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

20 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 0 µg/L

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<20 µg/L

Below Reporting Level

9/24/2014

10 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 130 µg/L

9/23/2014

10 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

9/23/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<20 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<20 µg/L

Below Reporting Level

9/23/2014

10 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 210 µg/L

9/22/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<20 µg/L

Below Reporting Level

9/22/2014

10 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

130 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 110 µg/L

9/17/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<20 µg/L

Below Reporting Level

9/17/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

240 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 220 µg/L

9/16/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

190 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 170 µg/L

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

69 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 49 µg/L

9/16/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

45 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 25 µg/L

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

250 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 230 µg/L

9/9/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

160 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 140 µg/L

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

140 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 120 µg/L

9/9/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L

9/9/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 160 µg/L

6/24/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

62 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 42 µg/L

6/24/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L

3/11/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

65 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 45 µg/L

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

62 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 42 µg/L

3/11/2014

11 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

61 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 41 µg/L

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

33 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 13 µg/L

3/11/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<20 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

68 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 48 µg/L

3/6/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

65 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 45 µg/L

3/6/2014

11 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

63 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 43 µg/L

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<20 µg/L

Below Reporting Level

3/6/2014

11 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

96 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 76 µg/L

3/5/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

80 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 60 µg/L

3/5/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

29 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 9 µg/L

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

24 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 4 µg/L

3/5/2014

11 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 90 µg/L

3/4/2014

11 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

91 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 71 µg/L

3/4/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

67 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 47 µg/L

3/4/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<20 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<20 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<20 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 20 µg/L
Reference Level: ?

Contaminant Details

chlorodifluoromethane (HCFC-22) (22)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.08 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.08 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.08 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.08 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.08 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.08 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.08 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.08 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.08 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.08 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.08 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.08 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.08 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.08 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.08 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.08 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.08 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.08 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.08 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.08 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.08 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.08 µg/L

Below Reporting Level

3/6/2014

11 years ago

Minimum Reporting Level: 0.08 µg/L
Reference Level: ?

Contaminant Details

chloromethane (22)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.2 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.2 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.2 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.2 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.2 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.2 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.2 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.2 µg/L

Below Reporting Level

4/2/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.2 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.2 µg/L

Below Reporting Level

3/6/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chlorpyrifos (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.03 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.03 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L

Contaminant Details

chromium (44)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

0.44 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.24 µg/L

12/5/2014

10 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

0.37 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.17 µg/L

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2 µg/L

9/24/2014

10 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

0.81 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.61 µg/L

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

0.77 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.57 µg/L

9/24/2014

10 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

0.51 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.31 µg/L

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.7 µg/L

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

9/23/2014

10 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L

9/23/2014

10 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

9/23/2014

10 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.1 µg/L

9/22/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

9/22/2014

10 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

0.36 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L

9/17/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

0.31 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.11 µg/L

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.1 µg/L

9/16/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2 µg/L

9/16/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

0.78 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.58 µg/L

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

0.37 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.17 µg/L

9/16/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

9/9/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

9/9/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

0.82 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.62 µg/L

9/9/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

0.44 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.24 µg/L

9/9/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.8 µg/L

6/24/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

0.75 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.55 µg/L

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

3/11/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.9 µg/L

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

0.96 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.76 µg/L

3/11/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

0.96 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.76 µg/L

3/11/2014

11 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

0.93 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.73 µg/L

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

0.64 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.44 µg/L

3/11/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

0.44 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.24 µg/L

3/6/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/6/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

<0.2 µg/L

Below Reporting Level

3/6/2014

11 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.2 µg/L

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

1.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1 µg/L

3/5/2014

11 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

0.92 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.72 µg/L

3/5/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

0.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.6 µg/L

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L

3/4/2014

11 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

0.96 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.76 µg/L

3/4/2014

11 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

0.93 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.73 µg/L

3/4/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

0.25 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.05 µg/L

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

chromium-6 (44)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

0.092 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.062 µg/L

12/5/2014

10 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

0.03 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0 µg/L

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

1.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.37 µg/L

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

0.74 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.71 µg/L

9/24/2014

10 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

0.67 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.64 µg/L

9/24/2014

10 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.38 µg/L

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.87 µg/L

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.47 µg/L

9/23/2014

10 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L

9/23/2014

10 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

0.94 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.91 µg/L

9/23/2014

10 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L

9/22/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

9/22/2014

10 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

0.39 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.36 µg/L

9/17/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.3 µg/L

9/17/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

2.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.67 µg/L

9/16/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

2.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.57 µg/L

9/16/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

0.93 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.9 µg/L

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

0.28 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.25 µg/L

9/16/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

0.96 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.93 µg/L

9/9/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

0.96 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.93 µg/L

9/9/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

0.79 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.76 µg/L

9/9/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

0.55 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.52 µg/L

9/9/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

0.94 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.91 µg/L

6/24/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

0.39 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.36 µg/L

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

1.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.77 µg/L

3/11/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.57 µg/L

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L

3/11/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L

3/11/2014

11 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

0.78 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.75 µg/L

3/11/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

0.6 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.57 µg/L

3/6/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L

3/6/2014

11 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.19 µg/L

3/6/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.17 µg/L

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.67 µg/L

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.47 µg/L

3/5/2014

11 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L

3/5/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.07 µg/L

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.87 µg/L

3/4/2014

11 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

1.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.87 µg/L

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.47 µg/L

3/4/2014

11 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.27 µg/L

3/4/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

0.41 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.38 µg/L

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.3 µg/L

3/4/2014

11 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: ?

Contaminant Details

cobalt (44)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<1 µg/L

Below Reporting Level

12/5/2014

10 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<1 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<1 µg/L

Below Reporting Level

9/24/2014

10 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/24/2014

10 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<1 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<1 µg/L

Below Reporting Level

9/23/2014

10 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/23/2014

10 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<1 µg/L

Below Reporting Level

9/22/2014

10 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<1 µg/L

Below Reporting Level

9/17/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<1 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<1 µg/L

Below Reporting Level

9/16/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

9/16/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<1 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<1 µg/L

Below Reporting Level

9/9/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/9/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

1.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.2 µg/L

6/24/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<1 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<1 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<1 µg/L

Below Reporting Level

3/11/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/11/2014

11 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/11/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<1 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<1 µg/L

Below Reporting Level

3/6/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

3/6/2014

11 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<1 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<1 µg/L

Below Reporting Level

3/5/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/5/2014

11 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<1 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<1 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<1 µg/L

Below Reporting Level

3/4/2014

11 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/4/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/4/2014

11 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

cylindrospermopsin (8)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/16/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/20/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/7/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/17/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

4/18/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

4/4/2018

7 years ago

Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L

Contaminant Details

dimethipin (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.2 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.2 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.2 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.2 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.2 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.2 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.2 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.2 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.2 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.2 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.2 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.2 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.2 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (41)

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

6/23/2004

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

6/7/2004

21 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<1 µg/L

Below Reporting Level

3/29/2004

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<1 µg/L

Below Reporting Level

6/30/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<1 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

ethoprop (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.03 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.03 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.03 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.03 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L

Contaminant Details

Germanium (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.3 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.3 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.3 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.3 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.3 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.3 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.3 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.3 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.3 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.3 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.3 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.3 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.3 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.3 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.3 µg/L

Below Reporting Level

1/10/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.3 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.3 µg/L

Below Reporting Level

1/9/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.3 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

HAA5 (five regulated haloacetic acids) (24)

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

12.9 µg/L

Meets Reporting Threshold

10/16/2018

6 years ago

18433 Bohnert

18433 Bohnert ℹ️

12.6 µg/L

Meets Reporting Threshold

10/16/2018

6 years ago

White Ash Road

White Ash Road ℹ️

9.2 µg/L

Meets Reporting Threshold

10/16/2018

6 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

8.3 µg/L

Meets Reporting Threshold

10/16/2018

6 years ago

Via Montana and Via Bonita

Via Montana and Via Bonita ℹ️

0.83 µg/L

Meets Reporting Threshold

7/17/2018

7 years ago

Hall and Kinningham

Hall and Kinningham ℹ️

0 µg/L

Meets Reporting Threshold

7/17/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

32.8 µg/L

⚠️ Exceeds 50% of Reference Level

7/16/2018

7 years ago

White Ash Road

White Ash Road ℹ️

26.4 µg/L

Meets Reporting Threshold

7/16/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

22.7 µg/L

Meets Reporting Threshold

7/16/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

21.5 µg/L

Meets Reporting Threshold

7/16/2018

7 years ago

15182 Crane

15182 Crane ℹ️

21.2 µg/L

Meets Reporting Threshold

7/16/2018

7 years ago

213 E. Walnut

213 E. Walnut ℹ️

0.29 µg/L

Meets Reporting Threshold

7/16/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

9 µg/L

Meets Reporting Threshold

4/11/2018

7 years ago

White Ash Road

White Ash Road ℹ️

7.47 µg/L

Meets Reporting Threshold

4/11/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

7.23 µg/L

Meets Reporting Threshold

4/11/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

6.64 µg/L

Meets Reporting Threshold

4/11/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

11.3 µg/L

Meets Reporting Threshold

1/8/2018

7 years ago

White Ash Road

White Ash Road ℹ️

6.34 µg/L

Meets Reporting Threshold

1/8/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

5.4 µg/L

Meets Reporting Threshold

1/8/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

3.9 µg/L

Meets Reporting Threshold

1/8/2018

7 years ago

213 E. Walnut

213 E. Walnut ℹ️

0.24 µg/L

Meets Reporting Threshold

1/8/2018

7 years ago

15182 Crane

15182 Crane ℹ️

0 µg/L

Meets Reporting Threshold

1/8/2018

7 years ago

Via Montana and Via Bonita

Via Montana and Via Bonita ℹ️

0 µg/L

Meets Reporting Threshold

1/8/2018

7 years ago

Hall and Kinningham

Hall and Kinningham ℹ️

0 µg/L

Meets Reporting Threshold

1/8/2018

7 years ago

Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L

Contaminant Details

HAA6Br (six brominated haloacetic acids) (24)

18433 Bohnert

18433 Bohnert ℹ️

27.2 µg/L

10/16/2018

6 years ago

White Ash Road

White Ash Road ℹ️

19.6 µg/L

10/16/2018

6 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

16.8 µg/L

10/16/2018

6 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

16.6 µg/L

10/16/2018

6 years ago

Via Montana and Via Bonita

Via Montana and Via Bonita ℹ️

0.83 µg/L

7/17/2018

7 years ago

Hall and Kinningham

Hall and Kinningham ℹ️

0 µg/L

7/17/2018

7 years ago

White Ash Road

White Ash Road ℹ️

29.9 µg/L

7/16/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

27.9 µg/L

7/16/2018

7 years ago

15182 Crane

15182 Crane ℹ️

27.8 µg/L

7/16/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

27.6 µg/L

7/16/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

27.3 µg/L

7/16/2018

7 years ago

213 E. Walnut

213 E. Walnut ℹ️

0 µg/L

7/16/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

10.44 µg/L

4/11/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

10.33 µg/L

4/11/2018

7 years ago

White Ash Road

White Ash Road ℹ️

7.31 µg/L

4/11/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

6.45 µg/L

4/11/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

11.2 µg/L

1/8/2018

7 years ago

White Ash Road

White Ash Road ℹ️

5.36 µg/L

1/8/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

2.83 µg/L

1/8/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

2.8 µg/L

1/8/2018

7 years ago

213 E. Walnut

213 E. Walnut ℹ️

0.75 µg/L

1/8/2018

7 years ago

15182 Crane

15182 Crane ℹ️

0 µg/L

1/8/2018

7 years ago

Via Montana and Via Bonita

Via Montana and Via Bonita ℹ️

0 µg/L

1/8/2018

7 years ago

Hall and Kinningham

Hall and Kinningham ℹ️

0 µg/L

1/8/2018

7 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

HAA9 (nine haloacetic acids) (24)

18433 Bohnert

18433 Bohnert ℹ️

32 µg/L

10/16/2018

6 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

25.9 µg/L

10/16/2018

6 years ago

White Ash Road

White Ash Road ℹ️

23.5 µg/L

10/16/2018

6 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

20.6 µg/L

10/16/2018

6 years ago

Via Montana and Via Bonita

Via Montana and Via Bonita ℹ️

1.34 µg/L

7/17/2018

7 years ago

Hall and Kinningham

Hall and Kinningham ℹ️

0 µg/L

7/17/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

53 µg/L

7/16/2018

7 years ago

White Ash Road

White Ash Road ℹ️

48.8 µg/L

7/16/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

42.5 µg/L

7/16/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

41.5 µg/L

7/16/2018

7 years ago

15182 Crane

15182 Crane ℹ️

41.3 µg/L

7/16/2018

7 years ago

213 E. Walnut

213 E. Walnut ℹ️

0.29 µg/L

7/16/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

14.45 µg/L

4/11/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

14.43 µg/L

4/11/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

13.94 µg/L

4/11/2018

7 years ago

White Ash Road

White Ash Road ℹ️

13.01 µg/L

4/11/2018

7 years ago

3750 Lytle Creek Road

3750 Lytle Creek Road ℹ️

20.5 µg/L

1/8/2018

7 years ago

White Ash Road

White Ash Road ℹ️

10.96 µg/L

1/8/2018

7 years ago

Reservoir 6-3 Discharge Line

Reservoir 6-3 Discharge Line ℹ️

8.23 µg/L

1/8/2018

7 years ago

18433 Bohnert

18433 Bohnert ℹ️

6.7 µg/L

1/8/2018

7 years ago

213 E. Walnut

213 E. Walnut ℹ️

0.99 µg/L

1/8/2018

7 years ago

15182 Crane

15182 Crane ℹ️

0 µg/L

1/8/2018

7 years ago

Via Montana and Via Bonita

Via Montana and Via Bonita ℹ️

0 µg/L

1/8/2018

7 years ago

Hall and Kinningham

Hall and Kinningham ℹ️

0 µg/L

1/8/2018

7 years ago

Minimum Reporting Level: 0 µg/L
Reference Level: ?

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

lithium (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<9 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<9 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<9 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<9 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<9 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<9 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<9 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<9 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<9 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<9 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<9 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<9 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<9 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<9 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<9 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<9 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<9 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<9 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<9 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<9 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 9 µg/L
Reference Level: ?

Contaminant Details

Manganese (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

11 µg/L

Meets Reporting Threshold

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

3.5 µg/L

Meets Reporting Threshold

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

0.47 µg/L

Meets Reporting Threshold

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.4 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.4 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.4 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

130 µg/L

Meets Reporting Threshold

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

2.8 µg/L

Meets Reporting Threshold

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.4 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.4 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.4 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.4 µg/L

Below Reporting Level

7/13/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

6.9 µg/L

Meets Reporting Threshold

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

1.7 µg/L

Meets Reporting Threshold

7/12/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.4 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.4 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.4 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.4 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

1.8 µg/L

Meets Reporting Threshold

1/10/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

0.53 µg/L

Meets Reporting Threshold

1/10/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.4 µg/L

Below Reporting Level

1/10/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.4 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

1.6 µg/L

Meets Reporting Threshold

1/9/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.4 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (41)

WELL 22 01N/05W-28J01

WELL 22 ℹ️

<5 µg/L

Below Reporting Level

12/19/2003

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<5 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<5 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<5 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<5 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<5 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<5 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<5 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<5 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<5 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<5 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<5 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<5 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<5 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<5 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<5 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<5 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<5 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<5 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<5 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<5 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<5 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<5 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<5 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<5 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<5 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<5 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<5 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<5 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<5 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<5 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<5 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<5 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<5 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<5 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<5 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<5 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<5 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<5 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<5 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<5 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 5 µg/L
Reference Level: ?

Contaminant Details

molinate (41)

WELL 22 01N/05W-28J01

WELL 22 ℹ️

<0.9 µg/L

Below Reporting Level

12/19/2003

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<0.9 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<0.9 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<0.9 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<0.9 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<0.9 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<0.9 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<0.9 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<0.9 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<0.9 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<0.9 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<0.9 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<0.9 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<0.9 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<0.9 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<0.9 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<0.9 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<0.9 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<0.9 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<0.9 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<0.9 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<0.9 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<0.9 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<0.9 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<0.9 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<0.9 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<0.9 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<0.9 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<0.9 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<0.9 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<0.9 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<0.9 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<0.9 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<0.9 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<0.9 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<0.9 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<0.9 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 0.9 µg/L
Reference Level: ?

Contaminant Details

molybdenum (44)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.9 µg/L

12/5/2014

10 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

4.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.7 µg/L

12/5/2014

10 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.1 µg/L

9/24/2014

10 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

3.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.1 µg/L

9/24/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2 µg/L

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

9/24/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.6 µg/L

9/23/2014

10 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

3.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L

9/23/2014

10 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

9/23/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1 µg/L

9/23/2014

10 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L

9/22/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<1 µg/L

Below Reporting Level

9/22/2014

10 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.9 µg/L

9/17/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

9/17/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3.4 µg/L

9/16/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

2.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.7 µg/L

9/16/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

2.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.7 µg/L

9/16/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.3 µg/L

9/9/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.3 µg/L

9/9/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.3 µg/L

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.9 µg/L

6/24/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

6/24/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

2.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.6 µg/L

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

3/11/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

3/11/2014

11 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

3/11/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1 µg/L

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3 µg/L

3/6/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 3 µg/L

3/6/2014

11 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.8 µg/L

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.4 µg/L

3/6/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L

3/5/2014

11 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.3 µg/L

3/5/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

3/5/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.2 µg/L

3/5/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

3.4 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L

3/4/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

3.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.3 µg/L

3/4/2014

11 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

3.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 2.1 µg/L

3/4/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L

3/4/2014

11 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.9 µg/L

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.5 µg/L

3/4/2014

11 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.006 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.006 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.006 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.006 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.006 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.006 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.006 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.006 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.006 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.006 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.006 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.006 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.006 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.006 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.006 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.006 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.006 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.006 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.006 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.006 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.006 µg/L
Reference Level: ?

Contaminant Details

nitrobenzene (41)

WELL 22 01N/05W-28J01

WELL 22 ℹ️

<10 µg/L

Below Reporting Level

12/19/2003

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<10 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<10 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<10 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<10 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<10 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<10 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<10 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<10 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<10 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<10 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<10 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<10 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<10 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<10 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<10 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<10 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<10 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<10 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<10 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<10 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<10 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<10 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<10 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<10 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<10 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<10 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<10 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<10 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<10 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<10 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<10 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<10 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<10 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<10 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<10 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<10 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<10 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<10 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<10 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<10 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 10 µg/L
Reference Level: ?

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.02 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.02 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.02 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.02 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.02 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.02 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.02 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.02 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.02 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.02 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.02 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.02 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.02 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.02 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: ?

Contaminant Details

o-toluidine (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.007 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.007 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.007 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.007 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.007 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.007 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.007 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.007 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.007 µg/L

Below Reporting Level

6/4/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.007 µg/L

Below Reporting Level

6/4/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.007 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.007 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.007 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.007 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.007 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.007 µg/L

Below Reporting Level

1/9/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.007 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

oxyfluorfen (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.05 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.05 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.05 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.05 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.05 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.05 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.05 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.05 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.05 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.05 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.05 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.05 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.05 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.05 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.05 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.05 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.05 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.05 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.05 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.05 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.05 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.05 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.05 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.05 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L

Contaminant Details

perchlorate (46)

WELL 37 036/004-004

WELL 37 ℹ️

6.5 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 2.5 µg/L

9/9/2004

21 years ago

WELL 41 3610004-031

WELL 41 ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 0.4 µg/L

9/9/2004

21 years ago

WELL 18A-IX

WELL 18A ℹ️

<4 µg/L

Below Reporting Level

9/9/2004

21 years ago

WELL 18A-IX

WELL 18A ℹ️

<4 µg/L

Below Reporting Level

4/29/2004

21 years ago

WELL 37 036/004-004

WELL 37 ℹ️

6.6 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 2.6 µg/L

4/22/2004

21 years ago

WELL 41 3610004-031

WELL 41 ℹ️

5.4 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 1.4 µg/L

4/22/2004

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<4 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<4 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<4 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<4 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

5.9 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 1.9 µg/L

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

4.7 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 0.7 µg/L

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

4.3 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 0.3 µg/L

7/18/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<4 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<4 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<4 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<4 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<4 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<4 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<4 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<4 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<4 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<4 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<4 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<4 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<4 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<4 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<4 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<4 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<4 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

7.5 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 3.5 µg/L

1/10/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<4 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<4 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<4 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<4 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 4 µg/L by 0.9 µg/L

1/9/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<4 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<4 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<4 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<4 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<4 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<4 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<4 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<4 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<4 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<4 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 4 µg/L
Reference Level: ?

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoro-3-methoxypropanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoro-4-methoxybutanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanesulfonic acid (42)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.09 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.09 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.09 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.09 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.09 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.09 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.09 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.09 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.09 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.09 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.09 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.09 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.09 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.09 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.09 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.09 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.09 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.09 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.09 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorobutanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.005 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.005 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.005 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.005 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.005 µg/L
Reference Level: ?

Contaminant Details

perfluorodecanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorododecanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanesulfonic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluoroheptanoic acid (42)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.01 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.01 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.01 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.01 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.01 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.01 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.01 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.01 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.01 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.01 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.01 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.01 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.01 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.01 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.01 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.01 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.01 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.01 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.01 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.01 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanesulfonic acid (42)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.03 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.03 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.03 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.03 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.03 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorohexanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorononanoic acid (42)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.02 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.02 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.02 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.02 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.02 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.02 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.02 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.02 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.02 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.02 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.02 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.02 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.02 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanesulfonic acid (42)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.04 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.04 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.04 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.04 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.04 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.04 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.04 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.04 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.04 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.04 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.04 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.04 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.04 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.04 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.04 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.04 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.04 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.04 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.04 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.04 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluorooctanoic acid (42)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.02 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.02 µg/L

Below Reporting Level

9/24/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.02 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.02 µg/L

Below Reporting Level

9/23/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.02 µg/L

Below Reporting Level

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.02 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/16/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.02 µg/L

Below Reporting Level

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.02 µg/L

Below Reporting Level

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/24/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.02 µg/L

Below Reporting Level

3/11/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.02 µg/L

Below Reporting Level

3/6/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

<0.02 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.02 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.02 µg/L

Below Reporting Level

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.02 µg/L

Below Reporting Level

3/4/2014

11 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanesulfonic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.004 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.004 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.004 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.004 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.004 µg/L
Reference Level: ?

Contaminant Details

perfluoropentanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.003 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.003 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.003 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.003 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.003 µg/L
Reference Level: ?

Contaminant Details

perfluorotetradecanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.008 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.008 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.008 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.008 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.008 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.008 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.008 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.008 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.008 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.008 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.008 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.008 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.008 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.008 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.008 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.008 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.008 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.008 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.008 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.008 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.008 µg/L
Reference Level: ?

Contaminant Details

perfluorotridecanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.007 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.007 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.007 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.007 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.007 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.007 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.007 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.007 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.007 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.007 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.007 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.007 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.007 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.007 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.007 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.007 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.007 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.007 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.007 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.007 µg/L
Reference Level: ?

Contaminant Details

perfluoroundecanoic acid (20)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.002 µg/L

Below Reporting Level

10/2/2023

23 months ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

26 months ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.002 µg/L

Below Reporting Level

7/12/2023

26 months ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.002 µg/L

Below Reporting Level

7/10/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.002 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.002 µg/L

Below Reporting Level

7/6/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.002 µg/L

Below Reporting Level

7/6/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.002 µg/L

Below Reporting Level

7/6/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.002 µg/L

Below Reporting Level

7/5/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.002 µg/L

Below Reporting Level

7/5/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.002 µg/L

Below Reporting Level

4/3/2023

2 years ago

Riverside Basin Well 41 IX Effluent CA3610004058

Well 41 CA3610004058 ℹ️

<0.002 µg/L

Below Reporting Level

1/25/2023

2 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.002 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.002 µg/L

Below Reporting Level

1/18/2023

2 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.002 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.002 µg/L

Below Reporting Level

1/12/2023

2 years ago

Lytle Base Well 1A

Well 1A CA3610004047 ℹ️

<0.002 µg/L

Below Reporting Level

1/12/2023

2 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.002 µg/L

Below Reporting Level

1/11/2023

2 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.002 µg/L

Below Reporting Level

1/11/2023

2 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.002 µg/L

Below Reporting Level

1/11/2023

2 years ago

Minimum Reporting Level: 0.002 µg/L
Reference Level: ?

Contaminant Details

profenofos (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.3 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.3 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.3 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.3 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.3 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.3 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.3 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.3 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.3 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.3 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.3 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.3 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.3 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.3 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.3 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.3 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.3 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.3 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.3 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L

Contaminant Details

quinoline (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.02 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.02 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.02 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.02 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.02 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.02 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.02 µg/L

Below Reporting Level

6/4/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.02 µg/L

Below Reporting Level

6/4/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.02 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.02 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.02 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.02 µg/L

Below Reporting Level

1/9/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.02 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (41)

WELL 22 01N/05W-28J01

WELL 22 ℹ️

<1 µg/L

Below Reporting Level

12/19/2003

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<1 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<1 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<1 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<1 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<1 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<1 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<1 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<1 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<1 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<1 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<1 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<1 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<1 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<1 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<1 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<1 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<1 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<1 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<1 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<1 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<1 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<1 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<1 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 1 µg/L
Reference Level: ?

Contaminant Details

strontium (44)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

330 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 329.7 µg/L

12/5/2014

10 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

320 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 319.7 µg/L

12/5/2014

10 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

340 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L

9/24/2014

10 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

330 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 329.7 µg/L

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 269.7 µg/L

9/24/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

230 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 229.7 µg/L

9/24/2014

10 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

470 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 469.7 µg/L

9/23/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

410 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 409.7 µg/L

9/23/2014

10 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 269.7 µg/L

9/23/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

240 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 239.7 µg/L

9/23/2014

10 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 399.7 µg/L

9/22/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

340 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 339.7 µg/L

9/22/2014

10 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

310 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 309.7 µg/L

9/17/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

310 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 309.7 µg/L

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

380 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 379.7 µg/L

9/16/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

380 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 379.7 µg/L

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

330 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 329.7 µg/L

9/16/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

290 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 289.7 µg/L

9/16/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

480 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 479.7 µg/L

9/9/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

450 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 449.7 µg/L

9/9/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

390 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L

9/9/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

350 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 349.7 µg/L

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

330 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 329.7 µg/L

6/24/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

320 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 319.7 µg/L

6/24/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

480 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 479.7 µg/L

3/11/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

470 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 469.7 µg/L

3/11/2014

11 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

470 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 469.7 µg/L

3/11/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

400 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 399.7 µg/L

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

350 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 349.7 µg/L

3/11/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L

3/11/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 269.7 µg/L

3/6/2014

11 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 269.7 µg/L

3/6/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L

3/6/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

250 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 249.7 µg/L

3/6/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

410 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 409.7 µg/L

3/5/2014

11 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

380 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 379.7 µg/L

3/5/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

360 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 359.7 µg/L

3/5/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 269.7 µg/L

3/5/2014

11 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

270 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 269.7 µg/L

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L

3/4/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

260 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 259.7 µg/L

3/4/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

220 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 219.7 µg/L

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

220 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 219.7 µg/L

3/4/2014

11 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

210 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 209.7 µg/L

3/4/2014

11 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

tebuconazole (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.2 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.2 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.2 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.2 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.2 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.2 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.2 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.2 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.2 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.2 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.2 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.2 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.2 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.2 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.2 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.2 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L

Contaminant Details

terbacil (41)

WELL 22 01N/05W-28J01

WELL 22 ℹ️

<2 µg/L

Below Reporting Level

12/19/2003

21 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<2 µg/L

Below Reporting Level

12/19/2003

21 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

10/14/2003

21 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

8/8/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

7/28/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<2 µg/L

Below Reporting Level

7/18/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<2 µg/L

Below Reporting Level

7/16/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<2 µg/L

Below Reporting Level

7/15/2003

22 years ago

WELL 22A 01N/05W-27B01S

WELL 22A ℹ️

<2 µg/L

Below Reporting Level

6/30/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

4/8/2003

22 years ago

WELL 24 01N/05W-17K02

WELL 24 ℹ️

<2 µg/L

Below Reporting Level

2/25/2003

22 years ago

WELL 34 036/004-001

WELL 34 ℹ️

<2 µg/L

Below Reporting Level

2/24/2003

22 years ago

WELL 01 01N/05W-23P04

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 02 01N/05W-23R03

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 37 036/004-004

WELL 37 ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 05A 3610004-033

WELL 05A ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 23A 01N/05W-17G02S

WELL 23A ℹ️

<2 µg/L

Below Reporting Level

1/10/2003

22 years ago

WELL 07 01N/05W-36H04

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 15 01S/04W-05E05

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 16 01S/05W-12L01

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 30 01S/04W-06H03

WELL 30 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 36 036/004-003

WELL 36 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 33 3610004-030

WELL 33 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 41 3610004-031

WELL 41 ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

WELL 18A 01S/05W-24M02

WELL 18A ℹ️

<2 µg/L

Below Reporting Level

1/9/2003

22 years ago

ROMER WTP EFFLUENT 3610004-036TRTD

ROEMER WTP EFFLUENT ℹ️

<2 µg/L

Below Reporting Level

1/8/2003

22 years ago

WELL 11 01S/05W-02K01

WELL 11 ℹ️

<2 µg/L

Below Reporting Level

12/20/2002

22 years ago

WELL 42 3610004-032

WELL 42 ℹ️

<2 µg/L

Below Reporting Level

12/12/2002

22 years ago

Minimum Reporting Level: 2 µg/L
Reference Level: ?

Contaminant Details

total microcystins (8)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/16/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/20/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/7/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/17/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

4/18/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.3 µg/L

Below Reporting Level

4/4/2018

7 years ago

Minimum Reporting Level: 0.3 µg/L
Reference Level: ?

Contaminant Details

Total Permethrin (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.04 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.04 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.04 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.04 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.04 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.04 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.04 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.04 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.04 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.04 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.04 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.04 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.04 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.04 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.04 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.04 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.04 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.04 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.04 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.04 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.04 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.04 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L

Contaminant Details

tribufos (24)

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.07 µg/L

Below Reporting Level

12/2/2020

4 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.07 µg/L

Below Reporting Level

6/10/2020

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.07 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.07 µg/L

Below Reporting Level

1/8/2020

5 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.07 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.07 µg/L

Below Reporting Level

11/12/2019

5 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

<0.07 µg/L

Below Reporting Level

8/27/2019

6 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

<0.07 µg/L

Below Reporting Level

7/24/2019

6 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

<0.07 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

<0.07 µg/L

Below Reporting Level

5/9/2019

6 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.07 µg/L

Below Reporting Level

10/16/2018

6 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.07 µg/L

Below Reporting Level

7/13/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.07 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.07 µg/L

Below Reporting Level

7/12/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.07 µg/L

Below Reporting Level

7/12/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.07 µg/L

Below Reporting Level

7/12/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.07 µg/L

Below Reporting Level

7/3/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.07 µg/L

Below Reporting Level

4/11/2018

7 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

<0.07 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

<0.07 µg/L

Below Reporting Level

2/28/2018

7 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

<0.07 µg/L

Below Reporting Level

2/28/2018

7 years ago

Riverside Basin - Well 42 IX Effluent CA3610004040

Well 42 CA3610004040 ℹ️

<0.07 µg/L

Below Reporting Level

2/28/2018

7 years ago

Effluent Tap on Perchlorate System

Well 17 ℹ️

<0.07 µg/L

Below Reporting Level

1/10/2018

7 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

<0.07 µg/L

Below Reporting Level

1/9/2018

7 years ago

Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L

Contaminant Details

vanadium (44)

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5 µg/L

12/5/2014

10 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

4.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.3 µg/L

12/5/2014

10 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

14 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 13.8 µg/L

9/24/2014

10 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L

9/24/2014

10 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.3 µg/L

9/24/2014

10 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.3 µg/L

9/24/2014

10 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

6.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.5 µg/L

9/23/2014

10 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.8 µg/L

9/23/2014

10 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L

9/23/2014

10 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

2.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.4 µg/L

9/23/2014

10 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

3.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.6 µg/L

9/22/2014

10 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

9/22/2014

10 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

3.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.5 µg/L

9/17/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

2.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.6 µg/L

9/17/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.2 µg/L

9/16/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.9 µg/L

9/16/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

4.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.9 µg/L

9/16/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

3.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.4 µg/L

9/16/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

2.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.5 µg/L

9/9/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

2.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.4 µg/L

9/9/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

2.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.3 µg/L

9/9/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

2.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.1 µg/L

9/9/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

6.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.5 µg/L

6/24/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

2.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.9 µg/L

6/24/2014

11 years ago

DSMRT for Well 30

Distribution System - GW ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.7 µg/L

3/11/2014

11 years ago

EP #42 - Lytle Basin Well 8A

Well 8A ℹ️

3.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.1 µg/L

3/11/2014

11 years ago

EP #24 - Well 30 Bunker Hill Basin

Well 30 ℹ️

2.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.4 µg/L

3/11/2014

11 years ago

Bunker Hill Basin - 9th St 48" Line (BFW)

Baseline Feeder ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.2 µg/L

3/11/2014

11 years ago

DSMRT for Basline Feeder

Distribution System - GW ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.2 µg/L

3/11/2014

11 years ago

DSMRT for Well 8A

Distribution System - GW ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.2 µg/L

3/11/2014

11 years ago

EP #43 - Lytle Basin Well 4A

Well 4A ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.2 µg/L

3/6/2014

11 years ago

EP #36 - 5-3 Reservoir

Roemer WTP ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.4 µg/L

3/6/2014

11 years ago

DSMRT for Roemer WTP

Distribution System - SW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

3/6/2014

11 years ago

DSMRT for Well 4A

Distribution System - GW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.3 µg/L

3/6/2014

11 years ago

EP #37 - Rialto Basin Well 23A ID 3610004037

Well 16 ℹ️

5.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5 µg/L

3/5/2014

11 years ago

EP #39: Well 18A

Well 18A ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.3 µg/L

3/5/2014

11 years ago

DSMRT for Well 16

Distribution System - GW ℹ️

3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.8 µg/L

3/5/2014

11 years ago

DSMRT for Well 18A

Distribution System - GW ℹ️

2.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.5 µg/L

3/5/2014

11 years ago

EP #46 - Rialto Basin Well 54

Well 54 ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 10.8 µg/L

3/4/2014

11 years ago

DSMRT for Well 54

Distribution System - GW ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 10.8 µg/L

3/4/2014

11 years ago

EP #33 - Rialto Basin Well 33

Well 33 ℹ️

4.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.7 µg/L

3/4/2014

11 years ago

DSMRT for Well 33

Distribution System - GW ℹ️

4.3 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.1 µg/L

3/4/2014

11 years ago

DSMRT for Well 24

Distribution System - GW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2 µg/L

3/4/2014

11 years ago

EP #18 - Rialto Basin Well 24

Well 24 ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.8 µg/L

3/4/2014

11 years ago

Minimum Reporting Level: 0.2 µg/L
Reference Level: ?

Contaminant Details

Sampling Facilities

Well 54
Ground Water (GW)

EP #46 - Rialto Basin Well 54Entry Point to the Distribution System (EP)

Roemer WTP
Surface Water (SW)

EP #36 - 5-3 ReservoirEntry Point to the Distribution System (EP)

5-3 ReservoirEntry Point to the Distribution System (EP)

Well 8A
Ground Water (GW)

EP #42 - Lytle Basin Well 8AEntry Point to the Distribution System (EP)

Well 24
Ground Water (GW)

EP #18 - Rialto Basin Well 24Entry Point to the Distribution System (EP)

Well 30
Ground Water (GW)

EP #24 - Well 30 Bunker Hill BasinEntry Point to the Distribution System (EP)

Baseline Feeder
Ground Water (GW)

Bunker Hill Basin - 9th St 48" Line (BFW)Entry Point to the Distribution System (EP)

9th Street Sample Station 48in LineEntry Point to the Distribution System (EP)

Well 42 CA3610004040
Ground Water (GW)

Riverside Basin - Well 42 IX Effluent CA3610004040Entry Point to the Distribution System (EP)

Well 41 CA3610004058
Ground Water (GW)

Riverside Basin Well 41 IX Effluent CA3610004058Entry Point to the Distribution System (EP)

Well 1A CA3610004047
Ground Water (GW)

Lytle Base Well 1AEntry Point to the Distribution System (EP)

Well 4A
Ground Water (GW)

EP #43 - Lytle Basin Well 4AEntry Point to the Distribution System (EP)

Well 16
Ground Water (GW)

EP #37 - Rialto Basin Well 23A ID 3610004037Entry Point to the Distribution System (EP)

Well 33
Ground Water (GW)

EP #33 - Rialto Basin Well 33Entry Point to the Distribution System (EP)

213 E. Walnut
Ground Water (GW)

213 E. WalnutDistribution System (DS)

3750 Lytle Creek Road
Multiple Sources (MX)

3750 Lytle Creek RoadDistribution System (DS)

15182 Crane
Ground Water (GW)

15182 CraneDistribution System (DS)

White Ash Road
Multiple Sources (MX)

White Ash RoadDistribution System (DS)

Reservoir 6-3 Discharge Line
Multiple Sources (MX)

Reservoir 6-3 Discharge LineDistribution System (DS)

18433 Bohnert
Multiple Sources (MX)

18433 BohnertDistribution System (DS)

Via Montana and Via Bonita
Ground Water (GW)

Via Montana and Via BonitaDistribution System (DS)

Hall and Kinningham
Ground Water (GW)

Hall and KinninghamDistribution System (DS)

Well 17
Ground Water (GW)

Effluent Tap on Perchlorate SystemEntry Point to the Distribution System (EP)

Well 18A
Ground Water (GW)

EP #39: Well 18AEntry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

DSMRT for Roemer WTPMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

DSMRT for Basline FeederMaximum Residence Time (MR)

DSMRT for Well 54Maximum Residence Time (MR)

DSMRT for Well 18AMaximum Residence Time (MR)

DSMRT for Well 4AMaximum Residence Time (MR)

DSMRT for Well 8AMaximum Residence Time (MR)

DSMRT for Well 24Maximum Residence Time (MR)

DSMRT for Well 30Maximum Residence Time (MR)

DSMRT for Well 16Maximum Residence Time (MR)

DSMRT for Well 33Maximum Residence Time (MR)

WELL 01
Ground Water (GW)

WELL 01 01N/05W-23P04SR (SR)

WELL 02
Ground Water (GW)

WELL 02 01N/05W-23R03SR (SR)

WELL 07
Ground Water (GW)

WELL 07 01N/05W-36H04SR (SR)

WELL 11
Ground Water (GW)

WELL 11 01S/05W-02K01SR (SR)

WELL 15
Ground Water (GW)

WELL 15 01S/04W-05E05SR (SR)

WELL 16
Ground Water (GW)

WELL 16 01S/05W-12L01SR (SR)

WELL 22
Ground Water (GW)

WELL 22 01N/05W-28J01SR (SR)

WELL 24
Ground Water (GW)

WELL 24 01N/05W-17K02SR (SR)

WELL 30
Ground Water (GW)

WELL 30 01S/04W-06H03SR (SR)

WELL 34
Ground Water (GW)

WELL 34 036/004-001SR (SR)

WELL 36
Ground Water (GW)

WELL 36 036/004-003SR (SR)

WELL 37
Ground Water (GW)

WELL 37 036/004-004Entry Point to the Distribution System (EP)

WELL 33
Ground Water (GW)

WELL 33 3610004-030SR (SR)

WELL 41
Ground Water (GW)

WELL 41 3610004-031Entry Point to the Distribution System (EP)

WELL 42
Ground Water (GW)

WELL 42 3610004-032SR (SR)

WELL 05A
Ground Water (GW)

WELL 05A 3610004-033SR (SR)

WELL 18A
Ground Water (GW)

WELL 18A 01S/05W-24M02SR (SR)

WELL 18A-IXEntry Point to the Distribution System (EP)

ROEMER WTP EFFLUENT
Surface Water (SW)

ROMER WTP EFFLUENT 3610004-036TRTDEntry Point to the Distribution System (EP)

WELL 22A
Ground Water (GW)

WELL 22A 01N/05W-27B01SSR (SR)

WELL 23A
Ground Water (GW)

WELL 23A 01N/05W-17G02SSR (SR)

FAQ

Is West Valley Water District tap water safe to drink?

When was West Valley Water District last tested for water contamination?

The latest water samples were taken on October 2nd, 2023.