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Community Water System · PWS WA5322888

Mecca Community Association

Coupeville, Washington 98239 - drinking water served from groundwater sources to 619 people, tracked in EPA SDWIS and UCMR5.

619
People served
210
EPA violations
14
Health-based
Untested
UCMR5 result

The verdict

EPA records 210 drinking-water violations at Mecca Community Association, 7% of them health-based - above the Washington per-system average.

210
Total EPA violations on record
7%
Health-based (MCL / treatment failure)
619
People served by this system
N/A
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Mecca Community Association

Mecca Community Association is a private-owned community water system that delivers drinking water to 619 residents in Coupeville, Washington (Island County) through 32 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 210 total violations for this system , of which 14 (7%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 186 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 Coliform (TCR), recorded in 31 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. Statewide, 98 of 247 UCMR5-tested systems have reported PFAS detections (39.7%).

Mecca Community Association's 210 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
619
Total Violations
210
Health-Based Violations
14
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
32
County
Island
School/Daycare
No
MCL Violations
14
Monitoring Violations
186
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 31 2005
Lead and Copper Rule MR 17 2017
Coliform (TCR) MCL 14 1996
Consumer Confidence Rule Other 7 2025
cis-1,2-Dichloroethylene MR 5 2005
DICHLOROMETHANE MR 5 2005
o-Dichlorobenzene MR 5 2005
p-Dichlorobenzene MR 5 2005
1,1-Dichloroethylene MR 5 2005
trans-1,2-Dichloroethylene MR 5 2005
1,2-Dichloroethane MR 5 2005
1,1,1-Trichloroethane MR 5 2005
Trichloroethylene MR 5 2005
Tetrachloroethylene MR 5 2005
CHLOROBENZENE MR 5 2005
Toluene MR 5 2005
Diquat MR 5 2005
Carbon tetrachloride MR 5 2005
Vinyl chloride MR 5 2005
1,1,2-Trichloroethane MR 5 2005
1,2,4-Trichlorobenzene MR 5 2005
Styrene MR 5 2005
Benzene MR 5 2005
1,2-Dichloropropane MR 5 2005
Ethylbenzene MR 5 2005
Arsenic MR 2 2008
Pentachlorophenol MR 2 2008
Nitrate MR 2 2022
BHC-GAMMA MR 1 2008
Toxaphene MR 1 2008

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 Mecca Community 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 WA5322888 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 Mecca Community 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 7 SDWIS / WA5322888 / 7000
2022 Nitrate MR 2 SDWIS / WA5322888 / 1040
2017 Lead and Copper Rule MR 17 SDWIS / WA5322888 / 5000
2017 Revised Total Coliform Rule MON 1 SDWIS / WA5322888 / 8000
2008 Arsenic MR 2 SDWIS / WA5322888 / 1005
2008 Pentachlorophenol MR 2 SDWIS / WA5322888 / 2326
2008 BHC-GAMMA MR 1 SDWIS / WA5322888 / 2010
2008 Toxaphene MR 1 SDWIS / WA5322888 / 2020
2008 Di(2-ethylhexyl) adipate MR 1 SDWIS / WA5322888 / 2035
2008 Hexachlorocyclopentadiene MR 1 SDWIS / WA5322888 / 2042
2008 LASSO MR 1 SDWIS / WA5322888 / 2051
2008 Heptachlor MR 1 SDWIS / WA5322888 / 2065
2008 Heptachlor epoxide MR 1 SDWIS / WA5322888 / 2067
2008 HEXACHLOROBENZENE MR 1 SDWIS / WA5322888 / 2274
2008 Chlordane MR 1 SDWIS / WA5322888 / 2959

How Mecca Community Association Compares

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

Metric Mecca Community Association Washington avg Federal benchmark
Total violations 210 69 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 14 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 619 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 Mecca Community Association water safe to drink? ▼
Mecca Community Association (PWS ID: WA5322888) has 210 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 619 people using Groundwater sources.
How many people does Mecca Community Association serve? ▼
Mecca Community Association serves 619 people in Coupeville, Washington. It is a Private-owned system using Groundwater water sources with 32 service connections.
What type of violations does Mecca Community Association have? ▼
Mecca Community Association has 210 total violations: 14 health-based violations (MCL exceedances or treatment failures), 186 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Mecca Community Association water? ▼
No PFAS testing data is available for Mecca Community Association under the EPA's UCMR5 monitoring program.
What water source does Mecca Community Association use? ▼
Mecca Community 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.
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.

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.