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Community Water System · PWS WA5302200

Anacortes City Of

Mount Vernon, Washington 98273 - drinking water served from surface water sources to 21,105 people, tracked in EPA SDWIS and UCMR5.

21,105
People served
134
EPA violations
0
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 134 drinking-water violations at Anacortes City Of - above the Washington per-system average.

134
Total EPA violations on record
0%
Health-based (MCL / treatment failure)
21,105
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Anacortes City Of

Anacortes City Of is a local-owned community water system that delivers drinking water to 21,105 residents in Mount Vernon, Washington (Skagit County) through 8,501 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 134 total violations for this system , of which 0 (0%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 134 monitoring and reporting violations are on file. The most recent violation on record dates to 2005.

The most frequently cited contaminant at this system is 1,2,4-Trichlorobenzene, recorded in 6 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across Washington, EPA tracks 4,557 public water systems serving 9,736,844 people, with 314,648 cumulative violations and 20,590 health-based violations on record. About 92% of systems in the state carry at least one violation, and state-wide the average per system is 69 violations. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%).

Anacortes City Of's 134 violations sit above the Washington average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

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 116 samples detected PFAS.

Contaminant Date Result MRL Status
NMeFOSAA 9/6/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 9/6/2023 <8.00 ppt 8.00 ppt Not Detected
NEtFOSAA 9/6/2023 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 9/6/2023 <7.00 ppt 7.00 ppt Not Detected
NMeFOSAA 6/29/2023 <6.00 ppt 6.00 ppt Not Detected
PFHxA 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 6/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 6/29/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 6/29/2023 <4.00 ppt 4.00 ppt Not Detected
11Cl-PF3OUdS 6/29/2023 <5.00 ppt 5.00 ppt Not Detected
NEtFOSAA 6/29/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 6/29/2023 <2.00 ppt 2.00 ppt Not Detected
PFHxS 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFHpA 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFBS 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 6/29/2023 <7.00 ppt 7.00 ppt Not Detected
8:2 FTS 6/29/2023 <5.00 ppt 5.00 ppt Not Detected
PFTA 6/29/2023 <8.00 ppt 8.00 ppt Not Detected
PFHpS 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeS 6/29/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 6/29/2023 <20.00 ppt 20.00 ppt Not Detected
PFEESA 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 6/29/2023 <2.00 ppt 2.00 ppt Not Detected
PFMPA 6/29/2023 <4.00 ppt 4.00 ppt Not Detected
4:2 FTS 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 6/29/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 6/29/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 6/29/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 6/29/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 3/23/2023 <3.00 ppt 3.00 ppt Not Detected
PFBA 3/23/2023 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 3/23/2023 <5.00 ppt 5.00 ppt Not Detected
ADONA 3/23/2023 <3.00 ppt 3.00 ppt Not Detected
9Cl-PF3ONS 3/23/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 3/23/2023 <5.00 ppt 5.00 ppt Not Detected
PFDA 3/23/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 3/23/2023 <3.00 ppt 3.00 ppt Not Detected
6:2 FTS 3/23/2023 <5.00 ppt 5.00 ppt Not Detected
PFPeS 3/23/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 3/23/2023 <4.00 ppt 4.00 ppt Not Detected
PFUnA 3/23/2023 <2.00 ppt 2.00 ppt Not Detected
4:2 FTS 3/23/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 3/23/2023 <5.00 ppt 5.00 ppt Not Detected
PFMPA 3/23/2023 <4.00 ppt 4.00 ppt Not Detected
PFPeA 3/23/2023 <3.00 ppt 3.00 ppt Not Detected
PFMBA 3/23/2023 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Anacortes City Of.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID WA5302200 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Washington Drinking Water Authority

Washington State Department of Health, Office of Drinking Water is the primacy agency that licenses and inspects Anacortes City Of under EPA-delegated authority.

Open WA regulator portal

Source: Washington State Department of Health, Office of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2005 1,2,4-Trichlorobenzene MR 6 SDWIS / WA5302200 / 2378
2005 DICHLOROMETHANE MR 6 SDWIS / WA5302200 / 2964
2005 1,1-Dichloroethylene MR 6 SDWIS / WA5302200 / 2977
2005 trans-1,2-Dichloroethylene MR 6 SDWIS / WA5302200 / 2979
2005 1,2-Dichloroethane MR 6 SDWIS / WA5302200 / 2980
2005 1,1,1-Trichloroethane MR 6 SDWIS / WA5302200 / 2981
2005 Trichloroethylene MR 6 SDWIS / WA5302200 / 2984
2005 CHLOROBENZENE MR 6 SDWIS / WA5302200 / 2989
2005 Benzene MR 6 SDWIS / WA5302200 / 2990
2005 Styrene MR 6 SDWIS / WA5302200 / 2996
2005 Vinyl chloride MR 6 SDWIS / WA5302200 / 2976
2005 1,2-Dichloropropane MR 6 SDWIS / WA5302200 / 2983
2005 o-Dichlorobenzene MR 6 SDWIS / WA5302200 / 2968
2005 p-Dichlorobenzene MR 6 SDWIS / WA5302200 / 2969
2005 Ethylbenzene MR 6 SDWIS / WA5302200 / 2992

How Anacortes City Of Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Anacortes City Of Washington avg Federal benchmark
Total violations 134 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 0 4.5 Indicates a contaminant exceeded a federal MCL
PFAS detection None 39.7% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 21,105 2,137 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 4,557 regulated public water systems in Washington.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Anacortes City Of water safe to drink?
Anacortes City Of (PWS ID: WA5302200) has 134 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 21,105 people using Surface Water sources.
How many people does Anacortes City Of serve?
Anacortes City Of serves 21,105 people in Mount Vernon, Washington. It is a Local-owned system using Surface Water water sources with 8,501 service connections.
What type of violations does Anacortes City Of have?
Anacortes City Of has 134 total violations: 0 health-based violations (MCL exceedances or treatment failures), 134 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Anacortes City Of water?
No. Anacortes City Of was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Anacortes City Of use?
Anacortes City Of uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
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.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.