PlainWater

RACE LAGOON HEIGHTS ASSOCIATION

PWS ID: WA5370650 · Coupeville, Washington 98239-0020

RACE LAGOON HEIGHTS ASSOCIATION serves 157 people in Coupeville, Washington using Groundwater water sources. It has 31 recorded EPA violations, including 2 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: RACE LAGOON HEIGHTS ASSOCIATION

RACE LAGOON HEIGHTS ASSOCIATION is a private-owned community water system that delivers drinking water to 157 residents in Coupeville, Washington (Island County) through 74 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 31 total violations for this system , of which 2 (6%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 27 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 2 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. RACE LAGOON HEIGHTS ASSOCIATION's 31 violations sit below 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
157
Total Violations
31
Health-Based Violations
2
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
74
County
Island
School/Daycare
No
MCL Violations
2
Monitoring Violations
27
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 2 2018
Coliform (TCR) MCL 2 2005
Revised Total Coliform Rule MON 2 2024
cis-1,2-Dichloroethylene MR 1 2011
DICHLOROMETHANE MR 1 2011
Vinyl chloride MR 1 2011
1,1-Dichloroethylene MR 1 2011
trans-1,2-Dichloroethylene MR 1 2011
1,2-Dichloroethane MR 1 2011
1,1,1-Trichloroethane MR 1 2011
1,2-Dichloropropane MR 1 2011
Trichloroethylene MR 1 2011
1,1,2-Trichloroethane MR 1 2011
Tetrachloroethylene MR 1 2011
CHLOROBENZENE MR 1 2011
Toluene MR 1 2011
Styrene MR 1 2011
Consumer Confidence Rule Other 1 2025
1,2,4-Trichlorobenzene MR 1 2011
Ethylbenzene MR 1 2011
Nitrate MR 1 2024
Carbon tetrachloride MR 1 2011
Benzene MR 1 2011
o-Dichlorobenzene MR 1 2011
Coliform (TCR) MR 1 2014
p-Dichlorobenzene MR 1 2011
Gross Alpha, Excl. Radon and U MR 1 1979

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 RACE LAGOON HEIGHTS ASSOCIATION.

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 WA5370650 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 RACE LAGOON HEIGHTS ASSOCIATION 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 / WA5370650 / 7000
2024 Revised Total Coliform Rule MON 2 SDWIS / WA5370650 / 8000
2024 Nitrate MR 1 SDWIS / WA5370650 / 1040
2018 Lead and Copper Rule MR 2 SDWIS / WA5370650 / 5000
2014 Coliform (TCR) MR 1 SDWIS / WA5370650 / 3100
2011 cis-1,2-Dichloroethylene MR 1 SDWIS / WA5370650 / 2380
2011 DICHLOROMETHANE MR 1 SDWIS / WA5370650 / 2964
2011 Vinyl chloride MR 1 SDWIS / WA5370650 / 2976
2011 1,1-Dichloroethylene MR 1 SDWIS / WA5370650 / 2977
2011 trans-1,2-Dichloroethylene MR 1 SDWIS / WA5370650 / 2979
2011 1,2-Dichloroethane MR 1 SDWIS / WA5370650 / 2980
2011 1,1,1-Trichloroethane MR 1 SDWIS / WA5370650 / 2981
2011 1,2-Dichloropropane MR 1 SDWIS / WA5370650 / 2983
2011 Trichloroethylene MR 1 SDWIS / WA5370650 / 2984
2011 1,1,2-Trichloroethane MR 1 SDWIS / WA5370650 / 2985

How RACE LAGOON HEIGHTS ASSOCIATION Compares

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

Metric RACE LAGOON HEIGHTS ASSOCIATION Washington avg Federal benchmark
Total violations 31 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 2 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 157 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 RACE LAGOON HEIGHTS ASSOCIATION water safe to drink?
RACE LAGOON HEIGHTS ASSOCIATION (PWS ID: WA5370650) has 31 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 157 people using Groundwater sources.
How many people does RACE LAGOON HEIGHTS ASSOCIATION serve?
RACE LAGOON HEIGHTS ASSOCIATION serves 157 people in Coupeville, Washington. It is a Private-owned system using Groundwater water sources with 74 service connections.
What type of violations does RACE LAGOON HEIGHTS ASSOCIATION have?
RACE LAGOON HEIGHTS ASSOCIATION has 31 total violations: 2 health-based violations (MCL exceedances or treatment failures), 27 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in RACE LAGOON HEIGHTS ASSOCIATION water?
No PFAS testing data is available for RACE LAGOON HEIGHTS ASSOCIATION under the EPA's UCMR5 monitoring program.
What water source does RACE LAGOON HEIGHTS ASSOCIATION use?
RACE LAGOON HEIGHTS ASSOCIATION 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