PlainWater

LAKEWOOD WEST WATER ASSN.

PWS ID: WA5344627 · Coupeville, Washington 98239

LAKEWOOD WEST WATER ASSN. serves 75 people in Coupeville, Washington using Groundwater water sources. It has 71 recorded EPA violations, including 9 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: LAKEWOOD WEST WATER ASSN.

LAKEWOOD WEST WATER ASSN. is a private-owned community water system that delivers drinking water to 75 residents in Coupeville, Washington (Snohomish County) through 26 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 71 total violations for this system , of which 9 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 59 monitoring and reporting violations are on file. The most recent violation on record dates to 2025.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 13 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. LAKEWOOD WEST WATER ASSN.'s 71 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
75
Total Violations
71
Health-Based Violations
9
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
26
County
Snohomish
School/Daycare
No
MCL Violations
9
Monitoring Violations
59
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 13 2010
Coliform (TCR) MCL 9 1996
Arsenic MR 4 2020
Barium MR 3 2005
Cadmium MR 3 2005
CYANIDE MR 3 2005
Fluoride MR 3 2005
Nickel MR 3 2005
Beryllium, Total MR 3 2005
Thallium, Total MR 3 2005
Coliform (TCR) MR 3 2005
Mercury MR 3 2005
Chromium MR 3 2005
Antimony, Total MR 3 2005
Selenium MR 3 2005
Dinoseb MR 1 2014
2,4,5-TP MR 1 2014
Pentachlorophenol MR 1 2014
Picloram MR 1 2014
Nitrate MR 1 2022
Consumer Confidence Rule Other 1 2025
Dalapon MR 1 2014

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 LAKEWOOD WEST WATER ASSN..

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 WA5344627 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 LAKEWOOD WEST WATER ASSN. 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
2025 Consumer Confidence Rule Other 1 SDWIS / WA5344627 / 7000
2022 Nitrate MR 1 SDWIS / WA5344627 / 1040
2020 Arsenic MR 4 SDWIS / WA5344627 / 1005
2014 Dinoseb MR 1 SDWIS / WA5344627 / 2041
2014 2,4,5-TP MR 1 SDWIS / WA5344627 / 2110
2014 Pentachlorophenol MR 1 SDWIS / WA5344627 / 2326
2014 Picloram MR 1 SDWIS / WA5344627 / 2040
2014 Dalapon MR 1 SDWIS / WA5344627 / 2031
2010 Lead and Copper Rule MR 13 SDWIS / WA5344627 / 5000
2005 Barium MR 3 SDWIS / WA5344627 / 1010
2005 Cadmium MR 3 SDWIS / WA5344627 / 1015
2005 CYANIDE MR 3 SDWIS / WA5344627 / 1024
2005 Fluoride MR 3 SDWIS / WA5344627 / 1025
2005 Nickel MR 3 SDWIS / WA5344627 / 1036
2005 Beryllium, Total MR 3 SDWIS / WA5344627 / 1075

How LAKEWOOD WEST WATER ASSN. Compares

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

Metric LAKEWOOD WEST WATER ASSN. Washington avg Federal benchmark
Total violations 71 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 9 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 75 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 LAKEWOOD WEST WATER ASSN. water safe to drink?
LAKEWOOD WEST WATER ASSN. (PWS ID: WA5344627) has 71 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 75 people using Groundwater sources.
How many people does LAKEWOOD WEST WATER ASSN. serve?
LAKEWOOD WEST WATER ASSN. serves 75 people in Coupeville, Washington. It is a Private-owned system using Groundwater water sources with 26 service connections.
What type of violations does LAKEWOOD WEST WATER ASSN. have?
LAKEWOOD WEST WATER ASSN. has 71 total violations: 9 health-based violations (MCL exceedances or treatment failures), 59 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in LAKEWOOD WEST WATER ASSN. water?
No PFAS testing data is available for LAKEWOOD WEST WATER ASSN. under the EPA's UCMR5 monitoring program.
What water source does LAKEWOOD WEST WATER ASSN. use?
LAKEWOOD WEST WATER ASSN. 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.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by PlainWater Editorial