City of Beaverton (OR) Water Quality

City of Beaverton is a large public water system in EPA region 10 that provides tap water for the 97003, 97006 - 97008, 97078, 97225 zip codes. It has 12 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 34 µg/L. The maximum reported level of Manganese was 4.2 µg/L. There were 2 contamintants found in the City of Beaverton water supply at levels that were above the minimum reporting level.

Contaminants

1,1-dichloroethane (6)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (6)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (6)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.1 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.1 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (6)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.07 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<2 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<2 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2,4-dinitrotoluene (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<2 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2,6-dinitrotoluene (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<2 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.4 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.4 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-propen-1-ol (Allyl Alcohol) (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.5 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

4,4'-dichloro dichlorophenyl ethylene (DDE) (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.8 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.8 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.8 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.8 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.8 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 0.8 µg/L
Reference Level: ?
Contaminant Details

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

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.01 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

anatoxin-a (8)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/14/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/1/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/15/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/2/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/20/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/6/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/15/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/2/2018
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

bromochloromethane (Halon 1011) (6)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.06 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.06 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (6)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/29/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/25/2018
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (10)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<20 µg/L
Below Reporting Level
10/8/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<20 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<20 µg/L
Below Reporting Level
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<20 µg/L
Below Reporting Level
4/2/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<20 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<20 µg/L
Below Reporting Level
1/16/2013
13 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (6)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.08 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.08 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (6)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (10)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/8/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
135%
0.27 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.07 µg/L
4/2/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
105%
0.21 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
255%
0.51 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.31 µg/L
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/16/2013
13 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (10)

ST1D 11570 SW Welch
Distribution System ℹ️
496.7%
0.149 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.119 µg/L
10/8/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
370%
0.111 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.081 µg/L
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
663.3%
0.199 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.169 µg/L
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
456.7%
0.137 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.107 µg/L
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
450%
0.135 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.105 µg/L
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
660%
0.198 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.168 µg/L
4/2/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
556.7%
0.167 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.137 µg/L
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
2746.7%
0.824 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.794 µg/L
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
773.3%
0.232 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.202 µg/L
1/16/2013
13 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
710%
0.213 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.183 µg/L
1/16/2013
13 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (10)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
10/8/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<1 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<1 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
1/16/2013
13 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

cylindrospermopsin (8)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/14/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/1/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/15/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/2/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/20/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/6/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/15/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/2/2018
7 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

dimethipin (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

dimethyl tetrachloroterephthalate (DCPA) mono/di-acid degradate (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<1 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

ethoprop (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.3 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (32)

9600 SW Allen Blvd
Stage 2 DBP ℹ️
56.7%
34 µg/L
⚠️ Exceeds 50% of Reference Level
12/3/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
55%
33 µg/L
⚠️ Exceeds 50% of Reference Level
12/3/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
55%
33 µg/L
⚠️ Exceeds 50% of Reference Level
12/3/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
55%
33 µg/L
⚠️ Exceeds 50% of Reference Level
12/3/2018
7 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
53.3%
32 µg/L
⚠️ Exceeds 50% of Reference Level
12/3/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
51.7%
31 µg/L
⚠️ Exceeds 50% of Reference Level
12/3/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
50%
30 µg/L
Meets Reporting Threshold
12/3/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
35.8%
21.5 µg/L
Meets Reporting Threshold
12/3/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
38.3%
23 µg/L
Meets Reporting Threshold
9/11/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
38.3%
23 µg/L
Meets Reporting Threshold
9/11/2018
7 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
36.7%
22 µg/L
Meets Reporting Threshold
9/11/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
36.7%
22 µg/L
Meets Reporting Threshold
9/11/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
36.7%
22 µg/L
Meets Reporting Threshold
9/11/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
36.7%
22 µg/L
Meets Reporting Threshold
9/11/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
35.3%
21.2 µg/L
Meets Reporting Threshold
9/11/2018
7 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
35%
21 µg/L
Meets Reporting Threshold
9/11/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
46.7%
28 µg/L
Meets Reporting Threshold
6/5/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
45%
27 µg/L
Meets Reporting Threshold
6/5/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
45%
27 µg/L
Meets Reporting Threshold
6/5/2018
7 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
43.3%
26 µg/L
Meets Reporting Threshold
6/5/2018
7 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
41.7%
25 µg/L
Meets Reporting Threshold
6/5/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
41.7%
25 µg/L
Meets Reporting Threshold
6/5/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
41.7%
25 µg/L
Meets Reporting Threshold
6/5/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
38.3%
23 µg/L
Meets Reporting Threshold
6/5/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
46.3%
27.8 µg/L
Meets Reporting Threshold
3/6/2018
8 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
45.8%
27.5 µg/L
Meets Reporting Threshold
3/6/2018
8 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
45.7%
27.4 µg/L
Meets Reporting Threshold
3/6/2018
8 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
45.3%
27.2 µg/L
Meets Reporting Threshold
3/6/2018
8 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
44.8%
26.9 µg/L
Meets Reporting Threshold
3/6/2018
8 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
44.2%
26.5 µg/L
Meets Reporting Threshold
3/6/2018
8 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
43.3%
26 µg/L
Meets Reporting Threshold
3/6/2018
8 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
43%
25.8 µg/L
Meets Reporting Threshold
3/6/2018
8 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (32)

SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
0%
5.28 µg/L
12/3/2018
7 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
0%
5.19 µg/L
12/3/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
0%
5.19 µg/L
12/3/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
0%
5.07 µg/L
12/3/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
0%
4.98 µg/L
12/3/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
0%
4.96 µg/L
12/3/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
0%
4.68 µg/L
12/3/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
0%
3.47 µg/L
12/3/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
0%
3.6 µg/L
9/11/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
0%
3.6 µg/L
9/11/2018
7 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
0%
3.5 µg/L
9/11/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
0%
3.5 µg/L
9/11/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
0%
3.5 µg/L
9/11/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
0%
3.5 µg/L
9/11/2018
7 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
0%
3.3 µg/L
9/11/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
0%
3.2 µg/L
9/11/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
0%
4.4 µg/L
6/5/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
0%
4.4 µg/L
6/5/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
0%
4.4 µg/L
6/5/2018
7 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
0%
4.2 µg/L
6/5/2018
7 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
0%
4.1 µg/L
6/5/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
0%
4 µg/L
6/5/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
0%
4 µg/L
6/5/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
0%
3.9 µg/L
6/5/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
0%
5.22 µg/L
3/6/2018
8 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
0%
5.102 µg/L
3/6/2018
8 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
0%
5.069 µg/L
3/6/2018
8 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
0%
5.01 µg/L
3/6/2018
8 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
0%
4.845 µg/L
3/6/2018
8 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
0%
4.788 µg/L
3/6/2018
8 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
0%
4.72 µg/L
3/6/2018
8 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
0%
4.65 µg/L
3/6/2018
8 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (32)

9600 SW Allen Blvd
Stage 2 DBP ℹ️
0%
39.19 µg/L
12/3/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
0%
38.19 µg/L
12/3/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
0%
38.07 µg/L
12/3/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
0%
37.98 µg/L
12/3/2018
7 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
0%
37.28 µg/L
12/3/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
0%
35.96 µg/L
12/3/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
0%
34.68 µg/L
12/3/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
0%
24.97 µg/L
12/3/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
0%
26.6 µg/L
9/11/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
0%
26.5 µg/L
9/11/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
0%
25.6 µg/L
9/11/2018
7 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
0%
25.5 µg/L
9/11/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
0%
25.5 µg/L
9/11/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
0%
25.5 µg/L
9/11/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
0%
24.4 µg/L
9/11/2018
7 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
0%
24.3 µg/L
9/11/2018
7 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
0%
32.4 µg/L
6/5/2018
7 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
0%
31.4 µg/L
6/5/2018
7 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
0%
31.4 µg/L
6/5/2018
7 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
0%
30.1 µg/L
6/5/2018
7 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
0%
29.2 µg/L
6/5/2018
7 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
0%
29 µg/L
6/5/2018
7 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
0%
29 µg/L
6/5/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
0%
26.9 µg/L
6/5/2018
7 years ago
SW 27th St at SW Trillium Ave
Stage 2 DBP ℹ️
0%
32.645 µg/L
3/6/2018
8 years ago
9145 SW Pinto Terrace
Stage 2 DBP ℹ️
0%
32.62 µg/L
3/6/2018
8 years ago
11342 SW Meadowlark Ln
Stage 2 DBP ℹ️
0%
32.302 µg/L
3/6/2018
8 years ago
13820 SW Berthold St
Stage 2 DBP ℹ️
0%
32.15 µg/L
3/6/2018
8 years ago
12715 SW Harlequin Dr
Stage 2 DBP ℹ️
0%
31.91 µg/L
3/6/2018
8 years ago
9600 SW Allen Blvd
Stage 2 DBP ℹ️
0%
31.569 µg/L
3/6/2018
8 years ago
SW Osprey Dr & SW Teal Blvd
Cooper Mountain Wellfield ℹ️
0%
30.788 µg/L
3/6/2018
8 years ago
11570 SW Welch Ct
Stage 2 DBP ℹ️
0%
30.52 µg/L
3/6/2018
8 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<9 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<9 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<9 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<9 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
1.4%
4.2 µg/L
Meets Reporting Threshold
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0.1%
0.41 µg/L
Meets Reporting Threshold
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.4 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0.4%
1.2 µg/L
Meets Reporting Threshold
4/3/2018
7 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

methyl-tertiary-butyl-ether (MTBE) (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<5 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<5 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<5 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<5 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<5 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<5 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 5 µg/L
Reference Level: ?
Contaminant Details

molinate (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.9 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.9 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.9 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.9 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<0.9 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 0.9 µg/L
Reference Level: ?
Contaminant Details

molybdenum (10)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
10/8/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<1 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<1 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
1/16/2013
13 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.006 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nitrobenzene (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<10 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<10 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<10 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<10 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<10 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<10 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 10 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/29/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/25/2018
7 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.05 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.05 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perchlorate (5)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<4 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<4 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<4 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<4 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<4 µg/L
Below Reporting Level
3/11/2002
24 years ago
Minimum Reporting Level: 4 µg/L
Reference Level: ?
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (14)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.09 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (14)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (14)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (14)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (14)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (14)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/16/2013
13 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.008 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.007 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (8)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.002 µg/L
Below Reporting Level
6/25/2024
20 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/8/2024
23 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/8/2024
26 months ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/16/2023
2 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/17/2023
2 years ago
Entry Point to Dist. System
Cooper Mountain Wellfield ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/17/2023
2 years ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.3 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/29/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/25/2018
7 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<1 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<1 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

strontium (10)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
11466.7%
34.4 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 34.1 µg/L
10/8/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
10466.7%
31.4 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 31.1 µg/L
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
13900%
41.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 41.4 µg/L
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
11233.3%
33.7 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 33.4 µg/L
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
9966.7%
29.9 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 29.6 µg/L
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
14333.3%
43 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 42.7 µg/L
4/2/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
14333.3%
43 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 42.7 µg/L
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
16766.7%
50.3 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 50 µg/L
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
11333.3%
34 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 33.7 µg/L
1/16/2013
13 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
10833.3%
32.5 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 32.2 µg/L
1/16/2013
13 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

terbacil (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<2 µg/L
Below Reporting Level
12/17/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
10/7/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
7/24/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
6/3/2002
23 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
3/11/2002
24 years ago
RW
HILLSBORO,FOREST GROVE,BEAVER- ℹ️
0%
<2 µg/L
Below Reporting Level
12/12/2001
24 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: ?
Contaminant Details

total microcystins (8)

Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/14/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/1/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/15/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/2/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/20/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/6/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/15/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/2/2018
7 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.04 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (6)

Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.07 µg/L
Below Reporting Level
2/12/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
1/3/2019
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/4/2018
7 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/10/2018
7 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
4/3/2018
7 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (10)

ST1D 11570 SW Welch
Distribution System ℹ️
1090%
2.18 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.98 µg/L
10/8/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
370%
0.74 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.54 µg/L
10/8/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
6750%
13.5 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 13.3 µg/L
7/9/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
790%
1.58 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 1.38 µg/L
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
385%
0.77 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.57 µg/L
7/9/2013
12 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
345%
0.69 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.49 µg/L
4/2/2013
12 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
305%
0.61 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.41 µg/L
4/2/2013
12 years ago
Entry Point to Dist. System
Sorrento Wellfield ℹ️
2580%
5.16 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 4.96 µg/L
1/16/2013
13 years ago
ST1D 11570 SW Welch
Distribution System ℹ️
200%
0.4 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.2 µg/L
1/16/2013
13 years ago
Entry Point to Dist. System
Joint Water Commission Intertie ℹ️
180%
0.36 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L
1/16/2013
13 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

Sorrento Wellfield
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Joint Water Commission Intertie
Surface Water (SW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)

Cooper Mountain Wellfield
Ground Water (GW)

Entry Point to Dist. SystemEntry Point to the Distribution System (EP)
SW Osprey Dr & SW Teal BlvdDistribution System (DS)

Stage 2 DBP
Surface Water (SW)

9600 SW Allen BlvdDistribution System (DS)

Stage 2 DBP
Surface Water (SW)

9145 SW Pinto TerraceDistribution System (DS)

Stage 2 DBP
Surface Water (SW)

11342 SW Meadowlark LnDistribution System (DS)

Stage 2 DBP
Surface Water (SW)

11570 SW Welch CtDistribution System (DS)

Stage 2 DBP
Surface Water (SW)

12715 SW Harlequin DrDistribution System (DS)

Stage 2 DBP
Surface Water (SW)

SW 27th St at SW Trillium AveDistribution System (DS)

Stage 2 DBP
Surface Water (SW)

13820 SW Berthold StDistribution System (DS)

Distribution System
Multiple Sources (MX)

ST1D 11570 SW WelchMaximum Residence Time (MR)
ST1D 11570 SW WelchMaximum Residence Time (MR)

HILLSBORO,FOREST GROVE,BEAVER-
Surface Water (SW)

RWEntry Point to the Distribution System (EP)

FAQ

Is City of Beaverton tap water safe to drink?

When was City of Beaverton last tested for water contamination?

The latest water samples were taken on June 25th, 2024.