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SKYKOMISH WATER DEPT

PWS ID: WA5380100 · Skykomish, Washington 98288

SKYKOMISH WATER DEPT serves 324 people in Skykomish, Washington using Groundwater water sources. It has 128 recorded EPA violations, including 0 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SKYKOMISH WATER DEPT

SKYKOMISH WATER DEPT is a local-owned community water system that delivers drinking water to 324 residents in Skykomish, Washington (King County) through 216 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 128 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 117 monitoring and reporting violations are on file. The most recent violation on record dates to 2022.

The most frequently cited contaminant at this system is Nitrate, recorded in 26 violations (MR). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. SKYKOMISH WATER DEPT's 128 violations sit above the Washington average. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%). 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
324
Total Violations
128
Health-Based Violations
0
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
216
County
King
School/Daycare
No
MCL Violations
0
Monitoring Violations
117
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 26 2020
Consumer Confidence Rule Other 8 2022
Barium MR 6 2005
Chromium MR 6 2005
CYANIDE MR 6 2005
Mercury MR 6 2005
Nickel MR 6 2005
Selenium MR 6 2005
Antimony, Total MR 6 2005
Beryllium, Total MR 6 2005
Thallium, Total MR 6 2005
Cadmium MR 6 2005
Fluoride MR 6 2005
Coliform (TCR) MR 2 2010
DICHLOROMETHANE MR 1 2005
p-Dichlorobenzene MR 1 2005
1,1-Dichloroethylene MR 1 2005
1,2-Dichloroethane MR 1 2005
Carbon tetrachloride MR 1 2005
1,2-Dichloropropane MR 1 2005
Benzene MR 1 2005
Ethylbenzene MR 1 2005
Revised Total Coliform Rule MON 1 2019
Lead and Copper Rule MR 1 2000
Tetrachloroethylene MR 1 2005
Toluene MR 1 2005
Trichloroethylene MR 1 2005
cis-1,2-Dichloroethylene MR 1 2005
1,1,1-Trichloroethane MR 1 2005
trans-1,2-Dichloroethylene MR 1 2005

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 SKYKOMISH WATER DEPT.

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 WA5380100 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 SKYKOMISH WATER DEPT 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
2022 Consumer Confidence Rule Other 8 SDWIS / WA5380100 / 7000
2020 Nitrate MR 26 SDWIS / WA5380100 / 1040
2019 Revised Total Coliform Rule MON 1 SDWIS / WA5380100 / 8000
2010 Coliform (TCR) MR 2 SDWIS / WA5380100 / 3100
2005 Barium MR 6 SDWIS / WA5380100 / 1010
2005 Chromium MR 6 SDWIS / WA5380100 / 1020
2005 CYANIDE MR 6 SDWIS / WA5380100 / 1024
2005 Mercury MR 6 SDWIS / WA5380100 / 1035
2005 Nickel MR 6 SDWIS / WA5380100 / 1036
2005 Selenium MR 6 SDWIS / WA5380100 / 1045
2005 Antimony, Total MR 6 SDWIS / WA5380100 / 1074
2005 Beryllium, Total MR 6 SDWIS / WA5380100 / 1075
2005 Thallium, Total MR 6 SDWIS / WA5380100 / 1085
2005 Cadmium MR 6 SDWIS / WA5380100 / 1015
2005 Fluoride MR 6 SDWIS / WA5380100 / 1025

How SKYKOMISH WATER DEPT Compares

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

Metric SKYKOMISH WATER DEPT Washington avg Federal benchmark
Total violations 128 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 324 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
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is SKYKOMISH WATER DEPT water safe to drink? ▼
SKYKOMISH WATER DEPT (PWS ID: WA5380100) has 128 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 324 people using Groundwater sources.
How many people does SKYKOMISH WATER DEPT serve? ▼
SKYKOMISH WATER DEPT serves 324 people in Skykomish, Washington. It is a Local-owned system using Groundwater water sources with 216 service connections.
What type of violations does SKYKOMISH WATER DEPT have? ▼
SKYKOMISH WATER DEPT has 128 total violations: 0 health-based violations (MCL exceedances or treatment failures), 117 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SKYKOMISH WATER DEPT water? ▼
No PFAS testing data is available for SKYKOMISH WATER DEPT under the EPA's UCMR5 monitoring program.
What water source does SKYKOMISH WATER DEPT use? ▼
SKYKOMISH WATER DEPT uses Groundwater 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

Read our methodology — how this data is sourced, computed, and verified.

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