West Slope Water District (OR) Water Quality

West Slope Water District is a large public water system in EPA region 10 that provides tap water for the 97005 zip codes. It has 6 facilities where the water supply was tested for 68 chemical contaminants that impact tap water quality and human health.

The maximum reported level of HAA5 (five regulated haloacetic acids) was 36.1 µg/L. The maximum reported level of Manganese was 10 µg/L. The maximum reported level of quinoline was 0.03 µg/L. Some (1 of 4 or 25%) of the latest water samples showed levels of quinoline that were at or above unsafe concentration levels. There were 3 contamintants found in the West Slope Water District water supply at levels that were above the minimum reporting level. 1 of the contaminants were above the reference level, which means they may pose a risk to human health.

Contaminants

1,1-dichloroethane (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,2,3-trichloropropane (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

1,3-butadiene (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.1 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.1 µg/L
Reference Level: ?
Contaminant Details

1,4-dioxane (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: ?
Contaminant Details

1-butanol (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<2 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 2 µg/L
Reference Level: 700 µg/L
Contaminant Details

11-chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

2-methoxyethanol (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.4 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 21 µg/L
Contaminant Details

2-propen-1-ol (Allyl Alcohol) (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.5 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 35 µg/L
Contaminant Details

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

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

alpha-hexachlorocyclohexane (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.01 µg/L
Reference Level: 0.006 µg/L
Contaminant Details

anatoxin-a (7)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/27/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
11/13/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/22/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/9/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/11/2019
6 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
8/14/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

bromochloromethane (Halon 1011) (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.06 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.06 µg/L
Reference Level: ?
Contaminant Details

bromomethane (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Butylated Hydroxyanisole (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

chlorate (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
185%
37 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 17 µg/L
9/30/2014
10 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
255%
51 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 31 µg/L
9/16/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
230%
46 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 26 µg/L
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
195%
39 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 19 µg/L
6/24/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
105%
21 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 1 µg/L
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
105%
21 µg/L
⚠️ Exceeds Reporting Level of 20 µg/L by 1 µg/L
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<20 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<20 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 20 µg/L
Reference Level: ?
Contaminant Details

chlorodifluoromethane (HCFC-22) (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.08 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.08 µg/L
Reference Level: ?
Contaminant Details

chloromethane (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chlorpyrifos (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 2 µg/L
Contaminant Details

chromium (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
160%
0.32 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.12 µg/L
9/16/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
100%
0.2 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0 µg/L
9/16/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
300%
0.6 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.4 µg/L
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<0.2 µg/L
Below Reporting Level
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

chromium-6 (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
180%
0.054 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.024 µg/L
9/30/2014
10 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
176.7%
0.053 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.023 µg/L
9/16/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
210%
0.063 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.033 µg/L
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
183.3%
0.055 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.025 µg/L
6/24/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
173.3%
0.052 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.022 µg/L
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
143.3%
0.043 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.013 µg/L
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
170%
0.051 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.021 µg/L
12/10/2013
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
153.3%
0.046 µg/L
⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.016 µg/L
12/10/2013
11 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: ?
Contaminant Details

cobalt (8)

Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
6/24/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

cylindrospermopsin (7)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/27/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
11/13/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/22/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
10/9/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/11/2019
6 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
8/14/2019
6 years ago
Minimum Reporting Level: 0.09 µg/L
Reference Level: 0.7 µg/L
Contaminant Details

dimethipin (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 140 µg/L
Contaminant Details

ethoprop (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.03 µg/L
Reference Level: 1.14 µg/L
Contaminant Details

Germanium (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

HAA5 (five regulated haloacetic acids) (16)

SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
50%
30 µg/L
Meets Reporting Threshold
5/7/2020
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
50%
30 µg/L
Meets Reporting Threshold
5/7/2020
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
50%
30 µg/L
Meets Reporting Threshold
5/7/2020
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
40%
24 µg/L
Meets Reporting Threshold
5/7/2020
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
60.2%
36.1 µg/L
⚠️ Exceeds 50% of Reference Level
1/7/2020
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
56.8%
34.1 µg/L
⚠️ Exceeds 50% of Reference Level
1/7/2020
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
46.7%
28 µg/L
Meets Reporting Threshold
1/7/2020
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
45%
27 µg/L
Meets Reporting Threshold
1/7/2020
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
60%
36 µg/L
⚠️ Exceeds 50% of Reference Level
10/16/2019
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
56.7%
34 µg/L
⚠️ Exceeds 50% of Reference Level
10/16/2019
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
56.7%
34 µg/L
⚠️ Exceeds 50% of Reference Level
10/16/2019
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
48.3%
29 µg/L
Meets Reporting Threshold
10/16/2019
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
46.7%
28 µg/L
Meets Reporting Threshold
7/10/2019
6 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
46.7%
28 µg/L
Meets Reporting Threshold
7/10/2019
6 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
46.7%
28 µg/L
Meets Reporting Threshold
7/10/2019
6 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
38.3%
23 µg/L
Meets Reporting Threshold
7/10/2019
6 years ago
Minimum Reporting Level: 0.5 µg/L
Reference Level: 60 µg/L
Contaminant Details

HAA6Br (six brominated haloacetic acids) (16)

SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
0%
1.06 µg/L
5/7/2020
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
0%
1.05 µg/L
5/7/2020
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
0%
0.86 µg/L
5/7/2020
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
0%
0.46 µg/L
5/7/2020
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
0%
0.47 µg/L
1/7/2020
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
0%
0.46 µg/L
1/7/2020
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
0%
0.42 µg/L
1/7/2020
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
0%
0.41 µg/L
1/7/2020
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
0%
1.43 µg/L
10/16/2019
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
0%
1.32 µg/L
10/16/2019
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
0%
1.29 µg/L
10/16/2019
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
0%
1.12 µg/L
10/16/2019
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
0%
1.14 µg/L
7/10/2019
6 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
0%
1.11 µg/L
7/10/2019
6 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
0%
1.09 µg/L
7/10/2019
6 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
0%
0.93 µg/L
7/10/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

HAA9 (nine haloacetic acids) (16)

SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
0%
31.06 µg/L
5/7/2020
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
0%
31.05 µg/L
5/7/2020
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
0%
30.46 µg/L
5/7/2020
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
0%
24.86 µg/L
5/7/2020
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
0%
36.57 µg/L
1/7/2020
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
0%
34.56 µg/L
1/7/2020
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
0%
28.41 µg/L
1/7/2020
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
0%
27.42 µg/L
1/7/2020
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
0%
37.43 µg/L
10/16/2019
5 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
0%
35.32 µg/L
10/16/2019
5 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
0%
35.29 µg/L
10/16/2019
5 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
0%
30.12 µg/L
10/16/2019
5 years ago
SW Fairway Drive
Sampling Site #6 - Fairway Drive - Average RT ℹ️
0%
29.14 µg/L
7/10/2019
6 years ago
SW Sylvan Court
Sampling Site #1 - Sylvan Court - Stage 1 Site ℹ️
0%
29.11 µg/L
7/10/2019
6 years ago
SW Poplar Street
Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT ℹ️
0%
29.09 µg/L
7/10/2019
6 years ago
SW Kennedy Street
Sampling Site #3 - Kennedy Street - Stage 1 site ℹ️
0%
23.93 µg/L
7/10/2019
6 years ago
Minimum Reporting Level: 0 µg/L
Reference Level: ?
Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

lithium (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<9 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 9 µg/L
Reference Level: ?
Contaminant Details

Manganese (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0.5%
1.4 µg/L
Meets Reporting Threshold
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
1%
2.9 µg/L
Meets Reporting Threshold
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
3.3%
10 µg/L
Meets Reporting Threshold
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
1.1%
3.4 µg/L
Meets Reporting Threshold
7/10/2019
6 years ago
Minimum Reporting Level: 0.4 µg/L
Reference Level: 300 µg/L
Contaminant Details

molybdenum (8)

Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
9/16/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
6/24/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
0%
<1 µg/L
Below Reporting Level
12/10/2013
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<1 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 1 µg/L
Reference Level: ?
Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.006 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.006 µg/L
Reference Level: ?
Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: ?
Contaminant Details

o-toluidine (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

oxyfluorfen (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.05 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.05 µg/L
Reference Level: 200 µg/L
Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoro-3-methoxypropanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoro-4-methoxybutanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanesulfonic acid (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.09 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorobutanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.005 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.005 µg/L
Reference Level: ?
Contaminant Details

perfluorodecanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorododecanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanesulfonic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluoroheptanoic acid (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.01 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanesulfonic acid (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.03 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorohexanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorononanoic acid (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2023
23 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanesulfonic acid (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2023
23 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluorooctanoic acid (8)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2023
23 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
9/30/2014
10 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
3/18/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
12/10/2013
11 years ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanesulfonic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.004 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.004 µg/L
Reference Level: ?
Contaminant Details

perfluoropentanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.003 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.003 µg/L
Reference Level: ?
Contaminant Details

perfluorotetradecanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.008 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.008 µg/L
Reference Level: ?
Contaminant Details

perfluorotridecanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.007 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.007 µg/L
Reference Level: ?
Contaminant Details

perfluoroundecanoic acid (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
7/8/2024
14 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
4/9/2024
17 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
1/22/2024
20 months ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.002 µg/L
Below Reporting Level
10/10/2023
23 months ago
Minimum Reporting Level: 0.002 µg/L
Reference Level: ?
Contaminant Details

profenofos (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: 0.3 µg/L
Contaminant Details

quinoline (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
300%
0.03 µg/L
☠️ Exceeds Reference Level by 0.02 µg/L
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.02 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.02 µg/L
Reference Level: 0.01 µg/L
Contaminant Details

strontium (8)

Max. Res. Time in Dist. System
Distribution System ℹ️
7000%
21 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 20.7 µg/L
9/16/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
7000%
21 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 20.7 µg/L
9/16/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
5333.3%
16 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 15.7 µg/L
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
5000%
15 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 14.7 µg/L
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
15000%
45 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 44.7 µg/L
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
4000%
12 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 11.7 µg/L
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
5000%
15 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 14.7 µg/L
12/10/2013
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
4666.7%
14 µg/L
⚠️ Exceeds Reporting Level of 0.3 µg/L by 13.7 µg/L
12/10/2013
11 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

tebuconazole (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.2 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: 190 µg/L
Contaminant Details

total microcystins (7)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/27/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
11/13/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/22/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
10/9/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/25/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
9/11/2019
6 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.3 µg/L
Below Reporting Level
8/14/2019
6 years ago
Minimum Reporting Level: 0.3 µg/L
Reference Level: ?
Contaminant Details

Total Permethrin (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.04 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.04 µg/L
Reference Level: 3.344 µg/L
Contaminant Details

tribufos (4)

Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
4/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
1/7/2020
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
10/16/2019
5 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
0%
<0.07 µg/L
Below Reporting Level
7/10/2019
6 years ago
Minimum Reporting Level: 0.07 µg/L
Reference Level: 0.6 µg/L
Contaminant Details

vanadium (8)

Max. Res. Time in Dist. System
Distribution System ℹ️
245%
0.49 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.29 µg/L
9/16/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
180%
0.36 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L
9/16/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
180%
0.36 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
180%
0.36 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.16 µg/L
6/24/2014
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
8000%
16 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 15.8 µg/L
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
150%
0.3 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.1 µg/L
3/18/2014
11 years ago
Max. Res. Time in Dist. System
Distribution System ℹ️
165%
0.33 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.13 µg/L
12/10/2013
11 years ago
Entry Point to Dist. System
Portland Water Bureau Intertie ℹ️
160%
0.32 µg/L
⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.12 µg/L
12/10/2013
11 years ago
Minimum Reporting Level: 0.2 µg/L
Reference Level: ?
Contaminant Details

Sampling Facilities

Portland Water Bureau Intertie
Surface Water (SW)

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

Sampling Site #7 - Poplar Lane - Stage 2 Avg. RT
Surface Water (SW)

SW Poplar StreetDistribution System (DS)

Sampling Site #3 - Kennedy Street - Stage 1 site
Surface Water (SW)

SW Kennedy StreetDistribution System (DS)

Sampling Site #6 - Fairway Drive - Average RT
Surface Water (SW)

SW Fairway DriveDistribution System (DS)

Sampling Site #1 - Sylvan Court - Stage 1 Site
Surface Water (SW)

SW Sylvan CourtDistribution System (DS)

Distribution System
Surface Water (SW)

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

FAQ

Is West Slope Water District tap water safe to drink?

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

The latest water samples were taken on July 8th, 2024.