City of Sierra Madre Water Dept. (CA) Water Quality

City of Sierra Madre Water Dept. is a large public water system in EPA region 9 that provides tap water for the 91024 zip codes. It has 9 facilities where the water supply was tested for 82 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 2.21 µg/L. There were 1 contamintants found in the City of Sierra Madre Water Dept. water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.1 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.1 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.1 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.1 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<2 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<2 µg/L
Below Reporting Level
8/26/2019
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

17-alpha-ethynylestradiol (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0009 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0009 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0009 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0009 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.0009 µg/L
Reference Level: ?
Contaminant Details

17-beta-estradiol (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0004 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0004 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0004 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0004 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.0004 µg/L
Reference Level: ?
Contaminant Details

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

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

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

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

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

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<2 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<2 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<2 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<2 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<2 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<2 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<2 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<2 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.4 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.4 µg/L
Below Reporting Level
8/26/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

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

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.5 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.5 µg/L
Below Reporting Level
8/26/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

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

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<0.8 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<0.8 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<0.8 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

4,8-dioxa-3H-perfluorononanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

4-androstene-3,17-dione (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0003 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0003 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0003 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0003 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.0003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

bromochloromethane (Halon 1011) (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.06 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.06 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.06 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.06 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/26/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (6)

Main Reservoir Effluent
Main Reservoir ℹ️
405%
81 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 61 µg/L
12/23/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
320%
64 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 44 µg/L
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
275%
55 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 35 µg/L
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
650%
130 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 110 µg/L
6/13/2013
12 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
600%
120 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 100 µg/L
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<20 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.08 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.08 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.08 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.08 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (6)

Main Reservoir Effluent
Main Reservoir ℹ️
195%
0.39 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.19 µg/L
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/23/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
175%
0.35 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L
10/17/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/17/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
850%
1.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.5 µg/L
6/13/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (6)

Main Reservoir Effluent
Main Reservoir ℹ️
1433.3%
0.43 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.4 µg/L
12/23/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
533.3%
0.16 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.13 µg/L
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/23/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
5000%
1.5 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.47 µg/L
6/13/2013
12 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
4666.7%
1.4 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 1.37 µg/L
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
1166.7%
0.35 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.32 µg/L
6/13/2013
12 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (6)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<1 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<1 µg/L
Below Reporting Level
12/23/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
0%
<1 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<1 µg/L
Below Reporting Level
10/17/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<1 µg/L
Below Reporting Level
10/17/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
0%
<1 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

dimethipin (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<1 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<1 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<1 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<1 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

equilin (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.004 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

estriol (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0008 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0008 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
137.5%
0.0011 µg/L
⚠️ Exceeds Reporting Level of 0.0008 µg/L by 0.0003 µg/L
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0008 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.0008 µg/L
Reference Level: ?
Contaminant Details

estrone (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.002 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

ethoprop (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/26/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (8)

72 Ross Place - STG 2 DBP
Distribution System - DBP ℹ️
3.1%
1.84 µg/L
Meets Reporting Threshold
2/5/2020
5 years ago
127 North Lima Street - STG 2 DBP
Distribution System - DBP ℹ️
2.6%
1.56 µg/L
Meets Reporting Threshold
2/5/2020
5 years ago
752 Oak Crest Drive - STG 2 DBP
Distribution System - DBP ℹ️
2.3%
1.36 µg/L
Meets Reporting Threshold
2/5/2020
5 years ago
560 Woodland Drive - STG 2 DBP
Distribution System - DBP ℹ️
1.9%
1.16 µg/L
Meets Reporting Threshold
2/5/2020
5 years ago
560 Woodland Drive - STG 2 DBP
Distribution System - DBP ℹ️
3.7%
2.21 µg/L
Meets Reporting Threshold
8/26/2019
6 years ago
72 Ross Place - STG 2 DBP
Distribution System - DBP ℹ️
2.5%
1.5 µg/L
Meets Reporting Threshold
8/26/2019
6 years ago
127 North Lima Street - STG 2 DBP
Distribution System - DBP ℹ️
2.5%
1.47 µg/L
Meets Reporting Threshold
8/26/2019
6 years ago
752 Oak Crest Drive - STG 2 DBP
Distribution System - DBP ℹ️
1.9%
1.14 µg/L
Meets Reporting Threshold
8/26/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (8)

72 Ross Place - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.08 µg/L
2/5/2020
5 years ago
127 North Lima Street - STG 2 DBP
Distribution System - DBP ℹ️
0%
1.86 µg/L
2/5/2020
5 years ago
752 Oak Crest Drive - STG 2 DBP
Distribution System - DBP ℹ️
0%
1.74 µg/L
2/5/2020
5 years ago
560 Woodland Drive - STG 2 DBP
Distribution System - DBP ℹ️
0%
1.39 µg/L
2/5/2020
5 years ago
72 Ross Place - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.17 µg/L
8/26/2019
6 years ago
560 Woodland Drive - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.05 µg/L
8/26/2019
6 years ago
127 North Lima Street - STG 2 DBP
Distribution System - DBP ℹ️
0%
1.8 µg/L
8/26/2019
6 years ago
752 Oak Crest Drive - STG 2 DBP
Distribution System - DBP ℹ️
0%
1.76 µg/L
8/26/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (8)

72 Ross Place - STG 2 DBP
Distribution System - DBP ℹ️
0%
3.01 µg/L
2/5/2020
5 years ago
127 North Lima Street - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.63 µg/L
2/5/2020
5 years ago
752 Oak Crest Drive - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.36 µg/L
2/5/2020
5 years ago
560 Woodland Drive - STG 2 DBP
Distribution System - DBP ℹ️
0%
1.96 µg/L
2/5/2020
5 years ago
560 Woodland Drive - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.96 µg/L
8/26/2019
6 years ago
72 Ross Place - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.67 µg/L
8/26/2019
6 years ago
127 North Lima Street - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.32 µg/L
8/26/2019
6 years ago
752 Oak Crest Drive - STG 2 DBP
Distribution System - DBP ℹ️
0%
2.04 µg/L
8/26/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<9 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<9 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.4 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.4 µg/L
Below Reporting Level
8/26/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<5 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<5 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<5 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<5 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<0.9 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<0.9 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<0.9 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (6)

West Tunnel Entry
West Tunnel ℹ️
430%
4.3 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 3.3 µg/L
12/23/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
360%
3.6 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.6 µg/L
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
340%
3.4 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.4 µg/L
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
370%
3.7 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.7 µg/L
10/17/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<1 µg/L
Below Reporting Level
10/17/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
320%
3.2 µg/L
⚠️ Exceeds Reporting Level of 1 µg/L by 2.2 µg/L
6/13/2013
12 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<10 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<10 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<10 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<10 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.007 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.007 µg/L
Below Reporting Level
8/26/2019
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.05 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<4 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<4 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<4 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<4 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (6)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.09 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.09 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (6)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (6)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (6)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (6)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (6)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/11/2024
15 months ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/11/2024
15 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.02 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.02 µg/L
Below Reporting Level
8/26/2019
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<1 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<1 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<1 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<1 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (6)

West Tunnel Entry
West Tunnel ℹ️
320000%
960 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 959.7 µg/L
12/23/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
286666.7%
860 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 859.7 µg/L
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
266666.7%
800 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 799.7 µg/L
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
283333.3%
850 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 849.7 µg/L
10/17/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
96666.7%
290 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 289.7 µg/L
10/17/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
130000%
390 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 389.7 µg/L
6/13/2013
12 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (4)

WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<2 µg/L
Below Reporting Level
10/27/2003
21 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<2 µg/L
Below Reporting Level
10/27/2003
21 years ago
WELLS BLEND
WELLS 3,4 & 5 BLEND - FLUORIDE ℹ️
0%
<2 µg/L
Below Reporting Level
5/19/2003
22 years ago
TUNNELS BLEND
601 WOODLAND DRIVE-FLUORIDE MONITORING ℹ️
0%
<2 µg/L
Below Reporting Level
5/19/2003
22 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

testosterone (4)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0001 µg/L
Below Reporting Level
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0001 µg/L
Below Reporting Level
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.0001 µg/L
Below Reporting Level
6/13/2013
12 years ago
West Tunnel Entry
West Tunnel ℹ️
0%
<0.0001 µg/L
Below Reporting Level
6/13/2013
12 years ago
Minimum Reporting Level: 0.0001 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (2)

Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/5/2020
5 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/7/2019
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (6)

Max. Res. Time in Dist. System
72 Ross Pl ℹ️
2450%
4.9 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.7 µg/L
12/23/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
2300%
4.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.4 µg/L
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
1350%
2.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.5 µg/L
12/23/2013
11 years ago
West Tunnel Entry
West Tunnel ℹ️
3300%
6.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 6.4 µg/L
10/17/2013
11 years ago
Main Reservoir Effluent
Main Reservoir ℹ️
1350%
2.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 2.5 µg/L
10/17/2013
11 years ago
Max. Res. Time in Dist. System
72 Ross Pl ℹ️
4850%
9.7 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 9.5 µg/L
6/13/2013
12 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

Main Reservoir
Ground Water (GW)

Main Reservoir EffluentEntry Point to the Distribution System (EP)

West Tunnel
Ground Water (GW)

West Tunnel EntryEntry Point to the Distribution System (EP)

Distribution System - DBP
Ground Water (GW)

72 Ross Place - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Ground Water (GW)

752 Oak Crest Drive - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Ground Water (GW)

127 North Lima Street - STG 2 DBPDistribution System (DS)

Distribution System - DBP
Ground Water (GW)

560 Woodland Drive - STG 2 DBPDistribution System (DS)

72 Ross Pl
Ground Water (GW)

Max. Res. Time in Dist. SystemMaximum Residence Time (MR)

WELLS 3,4 & 5 BLEND - FLUORIDE
Ground Water (GW)

WELLS BLENDEntry Point to the Distribution System (EP)

601 WOODLAND DRIVE-FLUORIDE MONITORING
Ground Water (GW)

TUNNELS BLENDEntry Point to the Distribution System (EP)

FAQ

Is City of Sierra Madre Water Dept. tap water safe to drink?

When was City of Sierra Madre Water Dept. last tested for water contamination?

The latest water samples were taken on July 11th, 2024.