City of Vacaville (CA) Water Quality

City of Vacaville is a large public water system in EPA region 9 that provides tap water for the 95687, 95688 zip codes. It has 39 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 35 µg/L. The maximum reported level of Manganese was 5 µg/L. There were 2 contamintants found in the City of Vacaville water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

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

1,1-dichloroethane (25)

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (25)

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

1,3-butadiene (25)

EP #11 - WTP Eff.

WTP ℹ️

<0.1 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.1 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.1 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.1 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.1 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.1 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.1 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.1 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.1 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.1 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.1 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

1,4-dioxane (25)

EP #11 - WTP Eff.

WTP ℹ️

<0.07 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.07 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.07 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.07 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.07 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.07 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.07 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.07 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

1-butanol (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<2 µg/L

Below Reporting Level

11/13/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<2 µg/L

Below Reporting Level

10/2/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<2 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<2 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<2 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<2 µg/L

Below Reporting Level

2/21/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<2 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<2 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<2 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<2 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<2 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<2 µg/L

Below Reporting Level

2/20/2019

6 years ago

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

Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

2,4-dinitrotoluene (30)

WELL 16 4810008-030

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

12/28/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<2 µg/L

Below Reporting Level

4/8/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<2 µg/L

Below Reporting Level

5/27/2003

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

7/16/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

2,6-dinitrotoluene (30)

WELL 16 4810008-030

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

12/28/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<2 µg/L

Below Reporting Level

4/8/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<2 µg/L

Below Reporting Level

5/27/2003

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

7/16/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

2-methoxyethanol (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.4 µg/L

Below Reporting Level

11/13/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.4 µg/L

Below Reporting Level

10/2/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.4 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.4 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.4 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.4 µg/L

Below Reporting Level

2/21/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

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

Contaminant Details

2-propen-1-ol (Allyl Alcohol) (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.5 µg/L

Below Reporting Level

11/13/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.5 µg/L

Below Reporting Level

10/2/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.5 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.5 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.5 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.5 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.5 µg/L

Below Reporting Level

2/21/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.5 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.5 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.5 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.5 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.5 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.5 µg/L

Below Reporting Level

2/20/2019

6 years ago

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

Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (30)

WELL 16 4810008-030

WELL 16 ℹ️

<0.8 µg/L

Below Reporting Level

12/28/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<0.8 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<0.8 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<0.8 µg/L

Below Reporting Level

4/8/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<0.8 µg/L

Below Reporting Level

5/27/2003

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<0.8 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<0.8 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<0.8 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<0.8 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<0.8 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<0.8 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<0.8 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<0.8 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<0.8 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<0.8 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<0.8 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<0.8 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<0.8 µg/L

Below Reporting Level

7/16/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<0.8 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<0.8 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.002 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.002 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.002 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.002 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.002 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.01 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.01 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.01 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.01 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.01 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.01 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

anatoxin-a (16)

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/21/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/21/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/17/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/3/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

7/3/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/19/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/3/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/3/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/29/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/15/2019

6 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (25)

EP #11 - WTP Eff.

WTP ℹ️

<0.06 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.06 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.06 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.06 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.06 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.06 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.06 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.06 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.06 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.06 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.06 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.06 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

bromomethane (25)

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.2 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

10/2/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

2/20/2019

6 years ago

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

Contaminant Details

chlorate (45)

EP #31 - Well 16 Treated

Well 16 ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

6/18/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

160 µg/L

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

6/18/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

150 µg/L

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

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

98 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 78 µg/L

6/18/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

81 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 61 µg/L

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

27 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 7 µg/L

6/18/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

230 µg/L

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

5/26/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

160 µg/L

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

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

150 µg/L

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

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 350 µg/L

3/12/2014

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

330 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 310 µg/L

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

210 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 190 µg/L

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

3/12/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

130 µg/L

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

3/12/2014

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

130 µg/L

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

3/12/2014

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

130 µg/L

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

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

120 µg/L

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

3/12/2014

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

120 µg/L

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

3/12/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

94 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 74 µg/L

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

90 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 70 µg/L

3/12/2014

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

80 µg/L

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

3/12/2014

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

77 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 57 µg/L

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

38 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 18 µg/L

3/12/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

73 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 53 µg/L

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

55 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 35 µg/L

12/4/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

46 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 26 µg/L

12/4/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 3 µg/L

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

22 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 2 µg/L

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

<20 µg/L

Below Reporting Level

10/31/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

200 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 180 µg/L

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

180 µg/L

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

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

180 µg/L

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

9/10/2013

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

180 µg/L

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

9/10/2013

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

170 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 150 µg/L

9/10/2013

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

160 µg/L

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

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

150 µg/L

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

9/10/2013

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

130 µg/L

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

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

120 µg/L

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

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

82 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 62 µg/L

9/10/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

55 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 35 µg/L

9/10/2013

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

32 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 12 µg/L

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

30 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 10 µg/L

9/10/2013

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

29 µg/L

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

9/10/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

24 µg/L

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

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<20 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (25)

EP #11 - WTP Eff.

WTP ℹ️

<0.08 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.08 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.08 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.08 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 0.13 µg/L

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.08 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.08 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 1.02 µg/L

3/12/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.08 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.08 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.08 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.08 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

0.55 µg/L

⚠️ Exceeds Reporting Level of 0.08 µg/L by 0.47 µg/L

9/10/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.08 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.08 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.08 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.08 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.08 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.08 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.08 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.08 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

chloromethane (25)

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.2 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

chlorpyrifos (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

chromium (45)

EP #20 - Well 8 Treated

Well 8 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.8 µg/L

3/15/2016

9 years ago

EP #11 - WTP Eff.

WTP ℹ️

1.6 µg/L

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

5/12/2015

10 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 22.8 µg/L

5/7/2015

10 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

20 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 19.8 µg/L

5/7/2015

10 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

6.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.6 µg/L

5/7/2015

10 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

2.7 µg/L

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

4/21/2015

10 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L

4/21/2015

10 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

0.23 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.03 µg/L

4/21/2015

10 years ago

EP #11 - WTP Eff.

WTP ℹ️

0.78 µg/L

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

6/18/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 17.8 µg/L

3/12/2014

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

16 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 15.8 µg/L

3/12/2014

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

16 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 15.8 µg/L

3/12/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 12.8 µg/L

3/12/2014

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 12.8 µg/L

3/12/2014

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

12 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 11.8 µg/L

3/12/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

11 µg/L

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

3/12/2014

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.8 µg/L

3/12/2014

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

4.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.4 µg/L

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

4.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4 µg/L

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

2.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.7 µg/L

3/12/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

2.6 µg/L

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

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 22.8 µg/L

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.8 µg/L

12/4/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

1.4 µg/L

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

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

0.24 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.04 µg/L

12/4/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

0.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

0.34 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.14 µg/L

10/31/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 20.8 µg/L

9/10/2013

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

19 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 18.8 µg/L

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 17.8 µg/L

9/10/2013

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 17.8 µg/L

9/10/2013

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 17.8 µg/L

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

16 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 15.8 µg/L

9/10/2013

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

15 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 14.8 µg/L

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

14 µg/L

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

9/10/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

7.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.2 µg/L

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

4.3 µg/L

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

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

2.7 µg/L

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

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

1.3 µg/L

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

9/10/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

1.1 µg/L

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

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

<0.2 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

chromium-6 (45)

EP #31 - Well 16 Treated

Well 16 ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 17.97 µg/L

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

7.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 7.67 µg/L

6/18/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.97 µg/L

6/18/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

0.78 µg/L

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

6/18/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

0.74 µg/L

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

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

0.12 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.09 µg/L

6/18/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

19 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 18.97 µg/L

5/26/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

5.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 5.37 µg/L

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

0.61 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.58 µg/L

5/26/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 15.97 µg/L

3/12/2014

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 15.97 µg/L

3/12/2014

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

15 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 14.97 µg/L

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 12.97 µg/L

3/12/2014

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 12.97 µg/L

3/12/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 10.97 µg/L

3/12/2014

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

11 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 10.97 µg/L

3/12/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

9.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 9.77 µg/L

3/12/2014

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

9.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 9.17 µg/L

3/12/2014

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

4.7 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.67 µg/L

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

4.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 4.37 µg/L

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

2.8 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.77 µg/L

3/12/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

2.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.17 µg/L

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

0.13 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.1 µg/L

3/12/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

20 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 19.97 µg/L

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 9.97 µg/L

12/4/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

1.2 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.17 µg/L

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

0.16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.13 µg/L

12/4/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

0.15 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.12 µg/L

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

0.22 µg/L

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

10/31/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 17.97 µg/L

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 15.97 µg/L

9/10/2013

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 15.97 µg/L

9/10/2013

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

16 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 15.97 µg/L

9/10/2013

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

15 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 14.97 µg/L

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

14 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 13.97 µg/L

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

12 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 11.97 µg/L

9/10/2013

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

12 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 11.97 µg/L

9/10/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

6.9 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 6.87 µg/L

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

3.5 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 3.47 µg/L

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

2.4 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 2.37 µg/L

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

0.98 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.95 µg/L

9/10/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

0.81 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.78 µg/L

9/10/2013

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

0.099 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.069 µg/L

9/10/2013

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

0.081 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.051 µg/L

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

0.07 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.04 µg/L

9/10/2013

11 years ago

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

Contaminant Details

cobalt (45)

EP #20 - Well 8 Treated

Well 8 ℹ️

<1 µg/L

Below Reporting Level

3/15/2016

9 years ago

EP #11 - WTP Eff.

WTP ℹ️

<1 µg/L

Below Reporting Level

5/12/2015

10 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<1 µg/L

Below Reporting Level

5/7/2015

10 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<1 µg/L

Below Reporting Level

5/7/2015

10 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<1 µg/L

Below Reporting Level

5/7/2015

10 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<1 µg/L

Below Reporting Level

4/21/2015

10 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

4/21/2015

10 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

4/21/2015

10 years ago

EP #11 - WTP Eff.

WTP ℹ️

<1 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

10/31/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

cylindrospermopsin (16)

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/21/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/21/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/17/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/3/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

7/3/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/19/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/3/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/3/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/29/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/29/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/15/2019

6 years ago

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

Contaminant Details

dimethipin (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.2 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (30)

WELL 16 4810008-030

WELL 16 ℹ️

<1 µg/L

Below Reporting Level

12/28/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<1 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<1 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<1 µg/L

Below Reporting Level

5/27/2003

22 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<1 µg/L

Below Reporting Level

12/5/2002

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<1 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<1 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<1 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<1 µg/L

Below Reporting Level

7/16/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<1 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<1 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

ethoprop (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

Germanium (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

11/13/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.3 µg/L

Below Reporting Level

10/2/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.3 µg/L

Below Reporting Level

2/20/2019

6 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

7.78 µg/L

Meets Reporting Threshold

11/13/2019

5 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

7.01 µg/L

Meets Reporting Threshold

11/13/2019

5 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

6.78 µg/L

Meets Reporting Threshold

11/13/2019

5 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

6.76 µg/L

Meets Reporting Threshold

11/13/2019

5 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

5.47 µg/L

Meets Reporting Threshold

11/13/2019

5 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

4.86 µg/L

Meets Reporting Threshold

11/13/2019

5 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

4.37 µg/L

Meets Reporting Threshold

11/13/2019

5 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

3.97 µg/L

Meets Reporting Threshold

11/13/2019

5 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

11.79 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

10.4 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

10.2 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

8.95 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

8.66 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

6.51 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

6 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

5.01 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

35 µg/L

⚠️ Exceeds 50% of Reference Level

5/15/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

24.69 µg/L

Meets Reporting Threshold

5/15/2019

6 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

13.02 µg/L

Meets Reporting Threshold

5/15/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

12.2 µg/L

Meets Reporting Threshold

5/15/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

12.2 µg/L

Meets Reporting Threshold

5/15/2019

6 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

10.3 µg/L

Meets Reporting Threshold

5/15/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

10.2 µg/L

Meets Reporting Threshold

5/15/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

10.08 µg/L

Meets Reporting Threshold

5/15/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

8.2 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

8.03 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

8 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

6.55 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

3.27 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

3.21 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

1.53 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

0.35 µg/L

Meets Reporting Threshold

2/20/2019

6 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (32)

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

5.2 µg/L

11/13/2019

5 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

4.46 µg/L

11/13/2019

5 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

4.3 µg/L

11/13/2019

5 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

3.95 µg/L

11/13/2019

5 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

3.51 µg/L

11/13/2019

5 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

3.4 µg/L

11/13/2019

5 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

3.17 µg/L

11/13/2019

5 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

3 µg/L

11/13/2019

5 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

4.87 µg/L

8/7/2019

6 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

4.76 µg/L

8/7/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

4.74 µg/L

8/7/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

4.13 µg/L

8/7/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

4.04 µg/L

8/7/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

3.96 µg/L

8/7/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

3.82 µg/L

8/7/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

3.69 µg/L

8/7/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

10.45 µg/L

5/15/2019

6 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

9.62 µg/L

5/15/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

7.9 µg/L

5/15/2019

6 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

7.88 µg/L

5/15/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

7.59 µg/L

5/15/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

6.88 µg/L

5/15/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

6.7 µg/L

5/15/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

4.6 µg/L

5/15/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

7.83 µg/L

2/20/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

7.5 µg/L

2/20/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

7.15 µg/L

2/20/2019

6 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

6.35 µg/L

2/20/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

3.68 µg/L

2/20/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

3.26 µg/L

2/20/2019

6 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

1.8 µg/L

2/20/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

0 µg/L

2/20/2019

6 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (32)

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

12 µg/L

11/13/2019

5 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

10.86 µg/L

11/13/2019

5 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

10.5 µg/L

11/13/2019

5 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

10.25 µg/L

11/13/2019

5 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

8.1 µg/L

11/13/2019

5 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

7.7 µg/L

11/13/2019

5 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

7.21 µg/L

11/13/2019

5 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

6.57 µg/L

11/13/2019

5 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

16.16 µg/L

8/7/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

14.36 µg/L

8/7/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

14.33 µg/L

8/7/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

13.14 µg/L

8/7/2019

6 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

12.87 µg/L

8/7/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

9.74 µg/L

8/7/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

9.12 µg/L

8/7/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

7.89 µg/L

8/7/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

39.6 µg/L

5/15/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

33.45 µg/L

5/15/2019

6 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

21.02 µg/L

5/15/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

18.9 µg/L

5/15/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

18.79 µg/L

5/15/2019

6 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

16.98 µg/L

5/15/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

16.48 µg/L

5/15/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

16.4 µg/L

5/15/2019

6 years ago

DBP2 250 Hidden Valley Lane

DBP2 SP 01 ℹ️

14.43 µg/L

2/20/2019

6 years ago

DBP2 25 Tranquility Lane

DBP2 SP 04 ℹ️

14.4 µg/L

2/20/2019

6 years ago

DBP2 111 S Orchard Avenue

DBP2 SP 08 ℹ️

14.15 µg/L

2/20/2019

6 years ago

DBP2 400 Rosso Court

DBP2 SP 07 ℹ️

12.25 µg/L

2/20/2019

6 years ago

DBP2 411 Kendal Street

DBP2 SP 03 ℹ️

6.08 µg/L

2/20/2019

6 years ago

DBP2 Vine Street BPS

DBP2 SP 06 ℹ️

5.68 µg/L

2/20/2019

6 years ago

DBP2 460 Wrentham Drive

DBP2 SP 05 ℹ️

2.8 µg/L

2/20/2019

6 years ago

DBP2 1000 Ulatis Drive

DBP2 SP 02 ℹ️

0.35 µg/L

2/20/2019

6 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

lithium (19)

EP #11 - WTP Eff.

WTP ℹ️

<9 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

27.7 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 18.7 µg/L

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<9 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<9 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

26.4 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 17.4 µg/L

5/13/2024

15 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

33 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 24 µg/L

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

27.6 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 18.6 µg/L

5/8/2024

16 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

21.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 12.9 µg/L

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

20.5 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 11.5 µg/L

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

16.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 7.9 µg/L

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<9 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

29.2 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 20.2 µg/L

2/14/2024

18 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

11.6 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 2.6 µg/L

2/14/2024

18 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

45 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 36 µg/L

11/15/2023

21 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

38.9 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 29.9 µg/L

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

28.8 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 19.8 µg/L

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

27.2 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 18.2 µg/L

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

23.2 µg/L

⚠️ Exceeds Reporting Level of 9 µg/L by 14.2 µg/L

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<9 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

Manganese (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.4 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

3 µg/L

Meets Reporting Threshold

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.4 µg/L

Below Reporting Level

10/2/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

2.5 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

1.2 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

0.4 µg/L

Meets Reporting Threshold

8/7/2019

6 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.4 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

5 µg/L

Meets Reporting Threshold

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.4 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

0.77 µg/L

Meets Reporting Threshold

2/21/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.4 µg/L

Below Reporting Level

2/20/2019

6 years ago

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

Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (30)

WELL 16 4810008-030

WELL 16 ℹ️

<5 µg/L

Below Reporting Level

12/28/2004

20 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<5 µg/L

Below Reporting Level

12/17/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<5 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<5 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<5 µg/L

Below Reporting Level

5/27/2003

22 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<5 µg/L

Below Reporting Level

12/5/2002

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<5 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<5 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<5 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<5 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<5 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<5 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<5 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<5 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<5 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<5 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<5 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<5 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<5 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<5 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

molinate (30)

WELL 16 4810008-030

WELL 16 ℹ️

<0.9 µg/L

Below Reporting Level

12/28/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<0.9 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<0.9 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<0.9 µg/L

Below Reporting Level

4/8/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<0.9 µg/L

Below Reporting Level

5/27/2003

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<0.9 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<0.9 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<0.9 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<0.9 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<0.9 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<0.9 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<0.9 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<0.9 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<0.9 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<0.9 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<0.9 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<0.9 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<0.9 µg/L

Below Reporting Level

7/16/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<0.9 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<0.9 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

molybdenum (45)

EP #20 - Well 8 Treated

Well 8 ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

3/15/2016

9 years ago

EP #11 - WTP Eff.

WTP ℹ️

<1 µg/L

Below Reporting Level

5/12/2015

10 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

3.1 µg/L

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

5/7/2015

10 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

5/7/2015

10 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<1 µg/L

Below Reporting Level

5/7/2015

10 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

4/21/2015

10 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

4/21/2015

10 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0 µg/L

4/21/2015

10 years ago

EP #11 - WTP Eff.

WTP ℹ️

<1 µg/L

Below Reporting Level

6/18/2014

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

2.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 1.1 µg/L

3/12/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

3/12/2014

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

3/12/2014

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

1.2 µg/L

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

3/12/2014

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

1.2 µg/L

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

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

3/12/2014

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

<1 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

3.4 µg/L

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

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

1.2 µg/L

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

12/4/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

<1 µg/L

Below Reporting Level

10/31/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

1.7 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.7 µg/L

9/10/2013

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

1.6 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.6 µg/L

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

9/10/2013

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

9/10/2013

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

1.5 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.5 µg/L

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

1.3 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.3 µg/L

9/10/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

1.2 µg/L

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

9/10/2013

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

1.2 µg/L

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

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

9/10/2013

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

9/10/2013

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

1.1 µg/L

⚠️ Exceeds Reporting Level of 1 µg/L by 0.1 µg/L

9/10/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<1 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.006 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.006 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.006 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.006 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.006 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.006 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.006 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.006 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.006 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.006 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.006 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.006 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.006 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.006 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.006 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.006 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.006 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.006 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.006 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

nitrobenzene (30)

WELL 16 4810008-030

WELL 16 ℹ️

<10 µg/L

Below Reporting Level

12/28/2004

20 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<10 µg/L

Below Reporting Level

12/17/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<10 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<10 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<10 µg/L

Below Reporting Level

5/27/2003

22 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<10 µg/L

Below Reporting Level

12/5/2002

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<10 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<10 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<10 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<10 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<10 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<10 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<10 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<10 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<10 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<10 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<10 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<10 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<10 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<10 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.02 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

o-toluidine (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.007 µg/L

Below Reporting Level

11/13/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.007 µg/L

Below Reporting Level

10/2/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.007 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.007 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.007 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.007 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.007 µg/L

Below Reporting Level

2/21/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.007 µg/L

Below Reporting Level

2/20/2019

6 years ago

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

Contaminant Details

oxyfluorfen (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.05 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.05 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.05 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.05 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.05 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.05 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.05 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.05 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.05 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.05 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.05 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.05 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.05 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

perchlorate (30)

WELL 16 4810008-030

WELL 16 ℹ️

<4 µg/L

Below Reporting Level

12/28/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<4 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<4 µg/L

Below Reporting Level

6/29/2004

21 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<4 µg/L

Below Reporting Level

5/4/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<4 µg/L

Below Reporting Level

5/27/2003

22 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<4 µg/L

Below Reporting Level

12/5/2002

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<4 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<4 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<4 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<4 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<4 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<4 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<4 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<4 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<4 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<4 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<4 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<4 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<4 µg/L

Below Reporting Level

7/16/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<4 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<4 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (44)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

0.0037 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0007 µg/L

5/8/2024

16 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

0.0037 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0007 µg/L

2/14/2024

18 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.09 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.09 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.09 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.09 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.09 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.09 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.09 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.09 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

perfluorobutanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.005 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.005 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.005 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluorodecanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluorododecanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluoroheptanoic acid (44)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.01 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.01 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.01 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.01 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.01 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.01 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.01 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (44)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

0.0035 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0005 µg/L

5/13/2024

15 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

0.0091 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0061 µg/L

5/8/2024

16 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

0.0092 µg/L

⚠️ Exceeds Reporting Level of 0.003 µg/L by 0.0062 µg/L

2/14/2024

18 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.03 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.03 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

perfluorohexanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluorononanoic acid (44)

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.02 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (44)

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

0.01 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.006 µg/L

5/8/2024

16 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

0.0098 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0058 µg/L

2/14/2024

18 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.04 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.04 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.04 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.04 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.04 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.04 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

perfluorooctanoic acid (44)

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

0.0051 µg/L

⚠️ Exceeds Reporting Level of 0.004 µg/L by 0.0011 µg/L

5/8/2024

16 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

6/18/2014

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.02 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

5/26/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.02 µg/L

Below Reporting Level

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

12/4/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

<0.02 µg/L

Below Reporting Level

9/10/2013

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.004 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.004 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.004 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluoropentanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.003 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.003 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.003 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluorotetradecanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.008 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.008 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.008 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.008 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.008 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.008 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.008 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.008 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.008 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.008 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.008 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.008 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.008 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.008 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.008 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.008 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.008 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.008 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.008 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluorotridecanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.007 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.007 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.007 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.007 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.007 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.007 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.007 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.007 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.007 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.007 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

perfluoroundecanoic acid (19)

EP #11 - WTP Eff.

WTP ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2025

3 months ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.002 µg/L

Below Reporting Level

3/13/2025

5 months ago

EP #11 - WTP Eff.

WTP ℹ️

<0.002 µg/L

Below Reporting Level

8/13/2024

12 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.002 µg/L

Below Reporting Level

8/6/2024

13 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.002 µg/L

Below Reporting Level

5/13/2024

15 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.002 µg/L

Below Reporting Level

5/8/2024

16 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.002 µg/L

Below Reporting Level

2/14/2024

18 months ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.002 µg/L

Below Reporting Level

2/14/2024

18 months ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.002 µg/L

Below Reporting Level

11/15/2023

21 months ago

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

Contaminant Details

profenofos (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.3 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.3 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

quinoline (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

11/13/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.02 µg/L

Below Reporting Level

10/2/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.02 µg/L

Below Reporting Level

2/21/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.02 µg/L

Below Reporting Level

2/20/2019

6 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (30)

WELL 16 4810008-030

WELL 16 ℹ️

<1 µg/L

Below Reporting Level

12/28/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<1 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<1 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<1 µg/L

Below Reporting Level

4/8/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<1 µg/L

Below Reporting Level

5/27/2003

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<1 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<1 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<1 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<1 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<1 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<1 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<1 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<1 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<1 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<1 µg/L

Below Reporting Level

7/16/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<1 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<1 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

strontium (45)

EP #20 - Well 8 Treated

Well 8 ℹ️

500 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 499.7 µg/L

3/15/2016

9 years ago

EP #11 - WTP Eff.

WTP ℹ️

170 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 169.7 µg/L

5/12/2015

10 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

550 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 549.7 µg/L

5/7/2015

10 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

390 µg/L

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

5/7/2015

10 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

380 µg/L

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

5/7/2015

10 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

320 µg/L

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

4/21/2015

10 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

310 µg/L

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

4/21/2015

10 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 179.7 µg/L

4/21/2015

10 years ago

EP #11 - WTP Eff.

WTP ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 179.7 µg/L

6/18/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

600 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 599.7 µg/L

3/12/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

560 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 559.7 µg/L

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

530 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 529.7 µg/L

3/12/2014

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

530 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 529.7 µg/L

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

510 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 509.7 µg/L

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

480 µg/L

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

3/12/2014

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

450 µg/L

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

3/12/2014

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

380 µg/L

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

3/12/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

3/12/2014

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

3/12/2014

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

3/12/2014

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

330 µg/L

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

3/12/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

310 µg/L

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

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

180 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 179.7 µg/L

3/12/2014

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

570 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 569.7 µg/L

12/4/2013

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

410 µg/L

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

12/4/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

220 µg/L

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

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

160 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 159.7 µg/L

12/4/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 149.7 µg/L

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 149.7 µg/L

10/31/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

560 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 559.7 µg/L

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

490 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 489.7 µg/L

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

480 µg/L

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

9/10/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

470 µg/L

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

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

440 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 439.7 µg/L

9/10/2013

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

420 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 419.7 µg/L

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

9/10/2013

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

9/10/2013

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

370 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 369.7 µg/L

9/10/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

340 µg/L

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

9/10/2013

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

330 µg/L

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

9/10/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

160 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 159.7 µg/L

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

150 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 149.7 µg/L

9/10/2013

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

130 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 129.7 µg/L

9/10/2013

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

120 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 119.7 µg/L

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

110 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 109.7 µg/L

9/10/2013

11 years ago

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

Contaminant Details

tebuconazole (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.2 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.2 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.2 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

terbacil (30)

WELL 16 4810008-030

WELL 16 ℹ️

<2 µg/L

Below Reporting Level

12/28/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

12/1/2004

20 years ago

WELL 15 4810008-024

WELL 15 ℹ️

<2 µg/L

Below Reporting Level

6/29/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<2 µg/L

Below Reporting Level

4/8/2004

21 years ago

DEMELLO WELL 4810008-25

DE MELLO WELL ℹ️

<2 µg/L

Below Reporting Level

5/27/2003

22 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WTP-PUTAH SOUTH CAN D48/008-TREAT

WTP-PUTAH SOUTH CANAL WATER - TREATED ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

9/5/2002

23 years ago

WELL 02 06N/01W-22H01

WELL 02 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 05 06N/01W-23L03

WELL 05 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 14 4810008-014

WELL 14 ℹ️

<2 µg/L

Below Reporting Level

5/1/2002

23 years ago

WELL 09 06N/01W-14R02

WELL 09 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 07 06N/01W-23J03

WELL 07 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 08 06N/01W-23J02

WELL 08 ℹ️

<2 µg/L

Below Reporting Level

3/14/2002

23 years ago

WELL 01 06N/01W-22F02

WELL 01 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 03 06N/01W-23D02

WELL 03 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 06 06N/01W-23K02

WELL 06 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WELL 13 06N/01W-23L04

WELL 13 ℹ️

<2 µg/L

Below Reporting Level

3/7/2002

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

10/23/2001

23 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

7/16/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

4/6/2001

24 years ago

WTP - NBR PUTAH SOUTH CANAL - RAW

WTP - NBR PUTAH SOUTH CANAL - RAW ℹ️

<2 µg/L

Below Reporting Level

1/17/2001

24 years ago

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

Contaminant Details

total microcystins (16)

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/21/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/21/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/17/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/3/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

7/3/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/19/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/19/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/3/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

6/3/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/29/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.3 µg/L

Below Reporting Level

5/15/2019

6 years ago

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

Contaminant Details

Total Permethrin (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.04 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.04 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.04 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.04 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.04 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.04 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.04 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.04 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.04 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.04 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.04 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.04 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

tribufos (21)

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.07 µg/L

Below Reporting Level

11/13/2019

5 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.07 µg/L

Below Reporting Level

10/29/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.07 µg/L

Below Reporting Level

10/2/2019

5 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.07 µg/L

Below Reporting Level

8/7/2019

6 years ago

EP #11 - WTP Eff.

WTP ℹ️

<0.07 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.07 µg/L

Below Reporting Level

5/15/2019

6 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

<0.07 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

<0.07 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

<0.07 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

<0.07 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

<0.07 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

<0.07 µg/L

Below Reporting Level

3/25/2019

6 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

<0.07 µg/L

Below Reporting Level

2/21/2019

6 years ago

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

Contaminant Details

vanadium (45)

EP #20 - Well 8 Treated

Well 8 ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

3/15/2016

9 years ago

EP #11 - WTP Eff.

WTP ℹ️

6 µg/L

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

5/12/2015

10 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

30 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 29.8 µg/L

5/7/2015

10 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

22 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 21.8 µg/L

5/7/2015

10 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

12 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 11.8 µg/L

5/7/2015

10 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.8 µg/L

4/21/2015

10 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

5.4 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.2 µg/L

4/21/2015

10 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

3.3 µg/L

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

4/21/2015

10 years ago

EP #11 - WTP Eff.

WTP ℹ️

5.5 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.3 µg/L

6/18/2014

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 22.8 µg/L

3/12/2014

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 22.8 µg/L

3/12/2014

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

22 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 21.8 µg/L

3/12/2014

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 17.8 µg/L

3/12/2014

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

3/12/2014

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

3/12/2014

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

3/12/2014

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

13 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 12.8 µg/L

3/12/2014

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

12 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 11.8 µg/L

3/12/2014

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

11 µg/L

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

3/12/2014

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.8 µg/L

3/12/2014

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

8.1 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 7.9 µg/L

3/12/2014

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

5.7 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 5.5 µg/L

3/12/2014

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

2.8 µg/L

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

3/12/2014

11 years ago

EP #31 - Well 16 Treated

Well 16 ℹ️

31 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 30.8 µg/L

12/4/2013

11 years ago

EP #20 - Well 8 Treated

Well 8 ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

12/4/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

3.7 µg/L

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

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

2.5 µg/L

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

12/4/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

1.9 µg/L

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

12/4/2013

11 years ago

DBP2 -2:1000 Ulatis Dr

Distribution System - SW ℹ️

3.2 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3 µg/L

10/31/2013

11 years ago

EP #32 - Well 15 Treated

Well 15 ℹ️

24 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 23.8 µg/L

9/10/2013

11 years ago

TCR#16: 811 Eubanks Dr

Distribution System - GW ℹ️

24 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 23.8 µg/L

9/10/2013

11 years ago

TCR#25: Genentech

Distribution System - GW ℹ️

24 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 23.8 µg/L

9/10/2013

11 years ago

EP #23 - Well 14 Treated

Well 14 ℹ️

23 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 22.8 µg/L

9/10/2013

11 years ago

TCR#15: Winding Way

Distribution System - GW ℹ️

21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 20.8 µg/L

9/10/2013

11 years ago

EP #21 - Well 9 Treated

Well 9 ℹ️

18 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 17.8 µg/L

9/10/2013

11 years ago

TCR#13: 1000 Hitchcock Dr

Distribution System - GW ℹ️

17 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 16.8 µg/L

9/10/2013

11 years ago

EP #16: Well 3 Treated

Well 3 ℹ️

14 µg/L

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

9/10/2013

11 years ago

TWIPS WTP Eff.

TWIPS WTP (Wells 1, 6 & 13) ℹ️

12 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 11.8 µg/L

9/10/2013

11 years ago

EP #15: Well 2 Treated

Well 2 ℹ️

11 µg/L

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

9/10/2013

11 years ago

EP #17 - Well 5 Treated

Well 5 ℹ️

10 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.8 µg/L

9/10/2013

11 years ago

DPB2-1: Hidden Valley Lane

Distribution System - SW ℹ️

4.8 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.6 µg/L

9/10/2013

11 years ago

EP #11 - WTP Eff.

WTP ℹ️

4.6 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.4 µg/L

9/10/2013

11 years ago

TCR#8: Southwood Ct

Distribution System - GW ℹ️

4.3 µg/L

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

9/10/2013

11 years ago

TCR#10: Arbor Oaks Park

Distribution System - GW ℹ️

4.1 µg/L

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

9/10/2013

11 years ago

EP #27 - North Bay Regional WTP Eff.

North Bay Regional WTP ℹ️

3.9 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 3.7 µg/L

9/10/2013

11 years ago

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

Contaminant Details

Sampling Facilities

TWIPS WTP (Wells 1, 6 & 13)
Ground Water (GW)

TWIPS WTP Eff.Entry Point to the Distribution System (EP)

WTP
Surface Water (SW)

EP #11 - WTP Eff.Entry Point to the Distribution System (EP)

DE PLANT TREATEDEntry Point to the Distribution System (EP)

Well 15
Ground Water (GW)

EP #32 - Well 15 TreatedEntry Point to the Distribution System (EP)

North Bay Regional WTP
Surface Water (SW)

EP #27 - North Bay Regional WTP Eff.Entry Point to the Distribution System (EP)

Well 14
Ground Water (GW)

EP #23 - Well 14 TreatedEntry Point to the Distribution System (EP)

Well 9
Ground Water (GW)

EP #21 - Well 9 TreatedEntry Point to the Distribution System (EP)

Well 8
Ground Water (GW)

EP #20 - Well 8 TreatedEntry Point to the Distribution System (EP)

Well 5
Ground Water (GW)

EP #17 - Well 5 TreatedEntry Point to the Distribution System (EP)

Well 16
Ground Water (GW)

EP #31 - Well 16 TreatedEntry Point to the Distribution System (EP)

DBP2 SP 01
Multiple Sources (MX)

DBP2 250 Hidden Valley LaneDistribution System (DS)

DBP2 SP 02
Multiple Sources (MX)

DBP2 1000 Ulatis DriveDistribution System (DS)

DBP2 SP 03
Multiple Sources (MX)

DBP2 411 Kendal StreetDistribution System (DS)

DBP2 SP 04
Multiple Sources (MX)

DBP2 25 Tranquility LaneDistribution System (DS)

DBP2 SP 05
Multiple Sources (MX)

DBP2 460 Wrentham DriveDistribution System (DS)

DBP2 SP 06
Multiple Sources (MX)

DBP2 Vine Street BPSDistribution System (DS)

DBP2 SP 07
Multiple Sources (MX)

DBP2 400 Rosso CourtDistribution System (DS)

DBP2 SP 08
Multiple Sources (MX)

DBP2 111 S Orchard AvenueDistribution System (DS)

Well 3
Ground Water (GW)

EP #16: Well 3 TreatedEntry Point to the Distribution System (EP)

Well 2
Ground Water (GW)

EP #15: Well 2 TreatedEntry Point to the Distribution System (EP)

Distribution System - SW
Surface Water (SW)

DBP2 -2:1000 Ulatis DrMaximum Residence Time (MR)

DPB2-1: Hidden Valley LaneMaximum Residence Time (MR)

Distribution System - GW
Ground Water (GW)

TCR#16: 811 Eubanks DrMaximum Residence Time (MR)

TCR#15: Winding WayMaximum Residence Time (MR)

TCR#13: 1000 Hitchcock DrMaximum Residence Time (MR)

TCR#25: GenentechMaximum Residence Time (MR)

TCR#10: Arbor Oaks ParkMaximum Residence Time (MR)

TCR#8: Southwood CtMaximum Residence Time (MR)

EP- #022 WELL 13 - TREATED
Ground Water (GW)

add ucmr sp nameEntry Point to the Distribution System (EP)

EP- #018 WELL 06 - TREATED
Ground Water (GW)

add ucmr sp nameEntry Point to the Distribution System (EP)

EP- #014 WELL 01 - TREATED
Ground Water (GW)

add ucmr sp nameEntry Point to the Distribution System (EP)

WELL 09
Ground Water (GW)

WELL 09 06N/01W-14R02SR (SR)

WELL 01
Ground Water (GW)

WELL 01 06N/01W-22F02SR (SR)

WELL 02
Ground Water (GW)

WELL 02 06N/01W-22H01SR (SR)

WELL 03
Ground Water (GW)

WELL 03 06N/01W-23D02SR (SR)

WELL 05
Ground Water (GW)

WELL 05 06N/01W-23L03SR (SR)

WELL 06
Ground Water (GW)

WELL 06 06N/01W-23K02SR (SR)

WELL 07
Ground Water (GW)

WELL 07 06N/01W-23J03SR (SR)

WELL 08
Ground Water (GW)

WELL 08 06N/01W-23J02SR (SR)

WELL 13
Ground Water (GW)

WELL 13 06N/01W-23L04SR (SR)

WTP-PUTAH SOUTH CANAL WATER - TREATED
Surface Water (SW)

WTP-PUTAH SOUTH CAN D48/008-TREATEntry Point to the Distribution System (EP)

WELL 14
Ground Water (GW)

WELL 14 4810008-014SR (SR)

WELL 15
Ground Water (GW)

WELL 15 4810008-024SR (SR)

DE MELLO WELL
Ground Water (GW)

DEMELLO WELL 4810008-25SR (SR)

WELL 16
Ground Water (GW)

WELL 16 4810008-030SR (SR)

WTP - NBR PUTAH SOUTH CANAL - RAW
Surface Water (SW)

WTP - NBR PUTAH SOUTH CANAL - RAWSR (SR)

FAQ

Is City of Vacaville tap water safe to drink?

When was City of Vacaville last tested for water contamination?

The latest water samples were taken on May 8th, 2025.