City of Sherwood (OR) Water Quality

City of Sherwood is a large public water system in EPA region 10 that provides tap water for the 97140 zip codes. It has 8 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 11.7 µg/L. The maximum reported level of Manganese was 6.73 µg/L. There were 2 contamintants found in the City of Sherwood water supply at levels that were above the minimum reporting level.

Table of Contents
Contaminants
Facilities
FAQ

Contaminants

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

1,1-dichloroethane (8)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

1,2,3-trichloropropane (8)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

1,3-butadiene (8)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.1 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.1 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.1 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.1 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.1 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.1 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.1 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.1 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

1,4-dioxane (8)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.07 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.07 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.07 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.07 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.07 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.07 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.07 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.07 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

1-butanol (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<2 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<2 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<2 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<2 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

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

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorodecane sulfonic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

0.008 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.003 µg/L

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorohexane sulfonic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

1H,1H,2H,2H-perfluorooctane sulfonic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

0.0413 µg/L

⚠️ Exceeds Reporting Level of 0.005 µg/L by 0.0363 µg/L

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

2,4-dinitrotoluene (4)

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<2 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

2,6-dinitrotoluene (4)

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<2 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

2-methoxyethanol (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.4 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.4 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.4 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.4 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

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

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.5 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.5 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.5 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.5 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

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

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<0.8 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<0.8 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<0.8 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<0.8 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

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

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

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

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.002 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.002 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.002 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

alpha-hexachlorocyclohexane (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.01 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.01 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.01 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.01 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

anatoxin-a (6)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/20/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/5/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/21/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

4/6/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

3/24/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

3/8/2021

4 years ago

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

Contaminant Details

bromochloromethane (Halon 1011) (8)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.06 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.06 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.06 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.06 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.06 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.06 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.06 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.06 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

bromomethane (8)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

Butylated Hydroxyanisole (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

chlorate (12)

Snyder Park Pump Station

WRWTP Intertie ℹ️

117 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 97 µg/L

2/18/2015

10 years ago

Station 23

Distribution System ℹ️

106 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 86 µg/L

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<20 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

74.1 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 54.1 µg/L

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

70 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 50 µg/L

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<20 µg/L

Below Reporting Level

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

160 µg/L

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

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

139 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 119 µg/L

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<20 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

58.9 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 38.9 µg/L

5/27/2014

11 years ago

Station 23

Distribution System ℹ️

51 µg/L

⚠️ Exceeds Reporting Level of 20 µg/L by 31 µg/L

5/27/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<20 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

chlorodifluoromethane (HCFC-22) (8)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.08 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.08 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.08 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.08 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.08 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.08 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.08 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.08 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

chloromethane (8)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

chlorpyrifos (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

chromium (12)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

Station 23

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

<0.2 µg/L

Below Reporting Level

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

0.29 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.09 µg/L

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.28 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.08 µg/L

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

0.22 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.02 µg/L

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.24 µg/L

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

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

0.24 µg/L

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

5/27/2014

11 years ago

Station 23

Distribution System ℹ️

0.21 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.01 µg/L

5/27/2014

11 years ago

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

Contaminant Details

chromium-6 (12)

Snyder Park Pump Station

WRWTP Intertie ℹ️

0.094 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.064 µg/L

2/18/2015

10 years ago

Station 23

Distribution System ℹ️

0.088 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.058 µg/L

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.075 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.045 µg/L

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.081 µg/L

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

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

0.075 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.045 µg/L

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

0.053 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.023 µg/L

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

0.1 µg/L

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

9/8/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

0.072 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.042 µg/L

9/8/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.063 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.033 µg/L

9/8/2014

10 years ago

Station 23

Distribution System ℹ️

0.08 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.05 µg/L

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

0.072 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.042 µg/L

5/27/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.046 µg/L

⚠️ Exceeds Reporting Level of 0.03 µg/L by 0.016 µg/L

5/27/2014

11 years ago

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

Contaminant Details

cobalt (12)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

Station 23

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<1 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<1 µg/L

Below Reporting Level

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<1 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<1 µg/L

Below Reporting Level

9/2/2014

11 years ago

Station 23

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<1 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<1 µg/L

Below Reporting Level

5/27/2014

11 years ago

Station 23

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

cylindrospermopsin (6)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/20/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/5/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

4/21/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

4/6/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

3/24/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

3/8/2021

4 years ago

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

Contaminant Details

dimethipin (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

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

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<1 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<1 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<1 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<1 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

ethoprop (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

Germanium (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

HAA5 (five regulated haloacetic acids) (8)

Sherwood Distribution System ℹ️

11.7 µg/L

Meets Reporting Threshold

9/30/2021

3 years ago

Sherwood Distribution System ℹ️

11.4 µg/L

Meets Reporting Threshold

9/30/2021

3 years ago

Sherwood Distribution System ℹ️

9.1 µg/L

Meets Reporting Threshold

6/7/2021

4 years ago

Sherwood Distribution System ℹ️

9 µg/L

Meets Reporting Threshold

6/7/2021

4 years ago

Sherwood Distribution System ℹ️

5 µg/L

Meets Reporting Threshold

3/8/2021

4 years ago

Sherwood Distribution System ℹ️

4.7 µg/L

Meets Reporting Threshold

3/8/2021

4 years ago

Sherwood Distribution System ℹ️

5.8 µg/L

Meets Reporting Threshold

12/28/2020

4 years ago

Sherwood Distribution System ℹ️

5.6 µg/L

Meets Reporting Threshold

12/28/2020

4 years ago

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

Contaminant Details

HAA6Br (six brominated haloacetic acids) (8)

Sherwood Distribution System ℹ️

2.2 µg/L

9/30/2021

3 years ago

Sherwood Distribution System ℹ️

1.8 µg/L

9/30/2021

3 years ago

Sherwood Distribution System ℹ️

1.9 µg/L

6/7/2021

4 years ago

Sherwood Distribution System ℹ️

1.8 µg/L

6/7/2021

4 years ago

Sherwood Distribution System ℹ️

1.9 µg/L

3/8/2021

4 years ago

Sherwood Distribution System ℹ️

1.5 µg/L

3/8/2021

4 years ago

Sherwood Distribution System ℹ️

2.6 µg/L

12/28/2020

4 years ago

Sherwood Distribution System ℹ️

2.5 µg/L

12/28/2020

4 years ago

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

Contaminant Details

HAA9 (nine haloacetic acids) (8)

Sherwood Distribution System ℹ️

13.9 µg/L

9/30/2021

3 years ago

Sherwood Distribution System ℹ️

13.2 µg/L

9/30/2021

3 years ago

Sherwood Distribution System ℹ️

10.9 µg/L

6/7/2021

4 years ago

Sherwood Distribution System ℹ️

10.9 µg/L

6/7/2021

4 years ago

Sherwood Distribution System ℹ️

6.9 µg/L

3/8/2021

4 years ago

Sherwood Distribution System ℹ️

6.2 µg/L

3/8/2021

4 years ago

Sherwood Distribution System ℹ️

8.4 µg/L

12/28/2020

4 years ago

Sherwood Distribution System ℹ️

8.1 µg/L

12/28/2020

4 years ago

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

Contaminant Details

hexafluoropropylene oxide dimer acid (GenX) (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

lithium (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<9 µg/L

Below Reporting Level

6/2/2025

3 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<9 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<9 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<9 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

Manganese (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

1.6 µg/L

Meets Reporting Threshold

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

4.7 µg/L

Meets Reporting Threshold

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

6.7 µg/L

Meets Reporting Threshold

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

6.73 µg/L

Meets Reporting Threshold

12/28/2020

4 years ago

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

Contaminant Details

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

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<5 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<5 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<5 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<5 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

molinate (4)

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<0.9 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<0.9 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<0.9 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<0.9 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

molybdenum (12)

EPTDS from Tualatin

Tualatin Intertie ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

Station 23

Distribution System ℹ️

<1 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<1 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<1 µg/L

Below Reporting Level

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

<1 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<1 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<1 µg/L

Below Reporting Level

9/2/2014

11 years ago

Station 23

Distribution System ℹ️

<1 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<1 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<1 µg/L

Below Reporting Level

5/27/2014

11 years ago

Station 23

Distribution System ℹ️

<1 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

N-ethyl perfluorooctanesulfonamidoacetic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

N-methyl perfluorooctanesulfonamidoacetic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.006 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.006 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.006 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

nitrobenzene (4)

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<10 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<10 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<10 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<10 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

nonafluoro-3,6-dioxaheptanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

o-toluidine (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.007 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.007 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.007 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.007 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

oxyfluorfen (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.05 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.05 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.05 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.05 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

perchlorate (4)

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<4 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<4 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<4 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<4 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

perfluoro(2-ethoxyethane)sulfonic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluoro-3-methoxypropanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluoro-4-methoxybutanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluorobutanesulfonic acid (11)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.09 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.09 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.09 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.09 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

perfluorobutanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.005 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluorodecanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluorododecanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluoroheptanesulfonic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluoroheptanoic acid (11)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.01 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.01 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.01 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.01 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.01 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.01 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.01 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.01 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

perfluorohexanesulfonic acid (11)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.03 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

perfluorohexanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluorononanoic acid (11)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/25/2024

11 months ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.02 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

perfluorooctanesulfonic acid (11)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/25/2024

11 months ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.04 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.04 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.04 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.04 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.04 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.04 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.04 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.04 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

perfluorooctanoic acid (11)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/25/2024

11 months ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.02 µg/L

Below Reporting Level

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

5/27/2014

11 years ago

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

Contaminant Details

perfluoropentanesulfonic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.004 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluoropentanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.003 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluorotetradecanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.008 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.008 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.008 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluorotridecanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.007 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.007 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.007 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

perfluoroundecanoic acid (3)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.002 µg/L

Below Reporting Level

3/7/2025

5 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.002 µg/L

Below Reporting Level

12/11/2024

8 months ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.002 µg/L

Below Reporting Level

9/25/2024

11 months ago

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

Contaminant Details

profenofos (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

quinoline (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.02 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

s-ethyl-dipropylthiocarbamate (EPTC) (4)

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<1 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<1 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<1 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<1 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

strontium (12)

Snyder Park Pump Station

WRWTP Intertie ℹ️

45.8 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 45.5 µg/L

2/18/2015

10 years ago

Station 23

Distribution System ℹ️

40.9 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 40.6 µg/L

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

13.6 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 13.3 µg/L

2/18/2015

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

38.9 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 38.6 µg/L

11/18/2014

10 years ago

Station 23

Distribution System ℹ️

38 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 37.7 µg/L

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

20.8 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 20.5 µg/L

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

42.5 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 42.2 µg/L

9/2/2014

11 years ago

Station 23

Distribution System ℹ️

42.2 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 41.9 µg/L

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

18.1 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 17.8 µg/L

9/2/2014

11 years ago

Station 23

Distribution System ℹ️

45 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 44.7 µg/L

5/27/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

41.2 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 40.9 µg/L

5/27/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

14.9 µg/L

⚠️ Exceeds Reporting Level of 0.3 µg/L by 14.6 µg/L

5/27/2014

11 years ago

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

Contaminant Details

tebuconazole (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.2 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

terbacil (4)

EP FOR WELL #4

EP FOR WELL #4 (MEINECKE STREET) ℹ️

<2 µg/L

Below Reporting Level

7/7/2003

22 years ago

EP FOR WELL #5

EP FOR WELL #5 (SUNSET & ST. CHARLES) ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #6

EP FOR WELL #6 ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

EP FOR WELL #3

EP FOR WELL #3 ℹ️

<2 µg/L

Below Reporting Level

6/9/2003

22 years ago

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

Contaminant Details

total microcystins (8)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/16/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

6/2/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/20/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

5/5/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

4/21/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

4/6/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

3/24/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.3 µg/L

Below Reporting Level

3/8/2021

4 years ago

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

Contaminant Details

Total Permethrin (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.04 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.04 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.04 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.04 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

tribufos (4)

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.07 µg/L

Below Reporting Level

9/30/2021

3 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.07 µg/L

Below Reporting Level

6/7/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.07 µg/L

Below Reporting Level

3/8/2021

4 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

<0.07 µg/L

Below Reporting Level

12/28/2020

4 years ago

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

Contaminant Details

vanadium (12)

Snyder Park Pump Station

WRWTP Intertie ℹ️

1.2 µg/L

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

2/18/2015

10 years ago

Station 23

Distribution System ℹ️

1.1 µg/L

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

2/18/2015

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.33 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.13 µg/L

2/18/2015

10 years ago

Station 23

Distribution System ℹ️

1.4 µg/L

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

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

1.3 µg/L

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

11/18/2014

10 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.35 µg/L

⚠️ Exceeds Reporting Level of 0.2 µg/L by 0.15 µg/L

11/18/2014

10 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

3 µg/L

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

9/2/2014

11 years ago

Station 23

Distribution System ℹ️

3 µg/L

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

9/2/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.37 µg/L

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

9/2/2014

11 years ago

Snyder Park Pump Station

WRWTP Intertie ℹ️

1.6 µg/L

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

5/27/2014

11 years ago

Station 23

Distribution System ℹ️

1.6 µg/L

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

5/27/2014

11 years ago

EPTDS from Tualatin

Tualatin Intertie ℹ️

0.31 µg/L

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

5/27/2014

11 years ago

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

Contaminant Details

Sampling Facilities

WRWTP Intertie
Surface Water (SW)

Snyder Park Pump StationEntry Point to the Distribution System (EP)

Sherwood Distribution System
Surface Water (SW)

02Distribution System (DS)

23Distribution System (DS)

Tualatin Intertie
Surface Water (SW)

EPTDS from TualatinEntry Point to the Distribution System (EP)

Distribution System
Surface Water (SW)

Station 23Maximum Residence Time (MR)

EP FOR WELL #4 (MEINECKE STREET)
Ground Water (GW)

EP FOR WELL #4Entry Point to the Distribution System (EP)

EP FOR WELL #5 (SUNSET & ST. CHARLES)
Ground Water (GW)

EP FOR WELL #5Entry Point to the Distribution System (EP)

EP FOR WELL #6
Ground Water (GW)

EP FOR WELL #6Entry Point to the Distribution System (EP)

EP FOR WELL #3
Ground Water (GW)

EP FOR WELL #3Entry Point to the Distribution System (EP)

FAQ

Is City of Sherwood tap water safe to drink?

When was City of Sherwood last tested for water contamination?

The latest water samples were taken on June 2nd, 2025.