PlainWater

ANACORTES CITY OF

PWS ID: WA5302200 · Mount Vernon, Washington 98273

Population Served
21,105
Total Violations
134
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
8,501
County
Skagit
School/Daycare
No
MCL Violations
0
Monitoring Violations
134
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
1,2,4-Trichlorobenzene MR 6 2005
DICHLOROMETHANE MR 6 2005
1,1-Dichloroethylene MR 6 2005
trans-1,2-Dichloroethylene MR 6 2005
1,2-Dichloroethane MR 6 2005
1,1,1-Trichloroethane MR 6 2005
Trichloroethylene MR 6 2005
CHLOROBENZENE MR 6 2005
Benzene MR 6 2005
Styrene MR 6 2005
Vinyl chloride MR 6 2005
1,2-Dichloropropane MR 6 2005
o-Dichlorobenzene MR 6 2005
p-Dichlorobenzene MR 6 2005
Ethylbenzene MR 6 2005
Carbon tetrachloride MR 6 2005
cis-1,2-Dichloroethylene MR 6 2005
Toluene MR 6 2005
Tetrachloroethylene MR 6 2005
1,1,2-Trichloroethane MR 6 2005
Diquat MR 5 2005
Gross Alpha, Excl. Radon and U MR 1 1979
Mercury MR 1 1979
Nitrate MR 1 1979
Cadmium MR 1 1979
Fluoride MR 1 1979
Arsenic MR 1 1979
Chromium MR 1 1979
Selenium MR 1 1979
Barium MR 1 1979

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 120 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 9/6/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 9/6/2023 <0.008 µg/L 0.008 µg/L Not Detected
NEtFOSAA 9/6/2023 <0.005 µg/L 0.005 µg/L Not Detected
lithium 9/6/2023 <9 µg/L 9 µg/L Not Detected
PFTrDA 9/6/2023 <0.007 µg/L 0.007 µg/L Not Detected
NMeFOSAA 6/29/2023 <0.006 µg/L 0.006 µg/L Not Detected
PFHxA 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDA 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFOA 6/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 6/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFNA 6/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
11Cl-PF3OUdS 6/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
NEtFOSAA 6/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
9Cl-PF3ONS 6/29/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFHxS 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHpA 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBS 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFTrDA 6/29/2023 <0.007 µg/L 0.007 µg/L Not Detected
8:2 FTS 6/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFTA 6/29/2023 <0.008 µg/L 0.008 µg/L Not Detected
PFHpS 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeS 6/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
NFDHA 6/29/2023 <0.02 µg/L 0.02 µg/L Not Detected
PFEESA 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFMBA 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFUnA 6/29/2023 <0.002 µg/L 0.002 µg/L Not Detected
PFMPA 6/29/2023 <0.004 µg/L 0.004 µg/L Not Detected
lithium 6/29/2023 <9 µg/L 9 µg/L Not Detected
4:2 FTS 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 6/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFBA 6/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 6/29/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFPeA 6/29/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFDoA 3/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFBA 3/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
HFPO-DA 3/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
ADONA 3/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
9Cl-PF3ONS 3/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
11Cl-PF3OUdS 3/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFDA 3/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
PFHxA 3/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
6:2 FTS 3/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFPeS 3/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFOS 3/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
PFUnA 3/23/2023 <0.002 µg/L 0.002 µg/L Not Detected
4:2 FTS 3/23/2023 <0.003 µg/L 0.003 µg/L Not Detected
8:2 FTS 3/23/2023 <0.005 µg/L 0.005 µg/L Not Detected
PFMPA 3/23/2023 <0.004 µg/L 0.004 µg/L Not Detected
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.