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HILLCREST HOMESTEAD TRACTS WATER

PWS ID: WA5333120 · Coupeville, Washington 98239

HILLCREST HOMESTEAD TRACTS WATER serves 29 people in Coupeville, Washington using Groundwater water sources. It has 46 recorded EPA violations, including 6 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: HILLCREST HOMESTEAD TRACTS WATER

HILLCREST HOMESTEAD TRACTS WATER is a private-owned community water system that delivers drinking water to 29 residents in Coupeville, Washington (Island County) through 15 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 46 total violations for this system , of which 6 (13%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 35 monitoring and reporting violations are on file. The most recent violation on record dates to 2016.

The most frequently cited contaminant at this system is Lead and Copper Rule, recorded in 12 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. HILLCREST HOMESTEAD TRACTS WATER's 46 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
29
Total Violations
46
Health-Based Violations
6
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
15
County
Island
School/Daycare
No
MCL Violations
6
Monitoring Violations
35
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Lead and Copper Rule MR 12 2004
Coliform (TCR) MCL 6 2005
Consumer Confidence Rule Other 5 2016
Nitrate MR 2 2009
cis-1,2-Dichloroethylene MR 1 2002
DICHLOROMETHANE MR 1 2002
p-Dichlorobenzene MR 1 2002
1,1-Dichloroethylene MR 1 2002
1,2-Dichloroethane MR 1 2002
1,1,1-Trichloroethane MR 1 2002
Carbon tetrachloride MR 1 2002
1,1,2-Trichloroethane MR 1 2002
Tetrachloroethylene MR 1 2002
CHLOROBENZENE MR 1 2002
Benzene MR 1 2002
Ethylbenzene MR 1 2002
Styrene MR 1 2002
Toluene MR 1 2002
o-Dichlorobenzene MR 1 2002
Coliform (TCR) MR 1 1999
1,2,4-Trichlorobenzene MR 1 2002
1,2-Dichloropropane MR 1 2002
trans-1,2-Dichloroethylene MR 1 2002
Trichloroethylene MR 1 2002
Vinyl chloride MR 1 2002

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 HILLCREST HOMESTEAD TRACTS WATER.

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 WA5333120 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 HILLCREST HOMESTEAD TRACTS WATER 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
2016 Consumer Confidence Rule Other 5 SDWIS / WA5333120 / 7000
2009 Nitrate MR 2 SDWIS / WA5333120 / 1040
2005 Coliform (TCR) MCL 6 SDWIS / WA5333120 / 3100
2004 Lead and Copper Rule MR 12 SDWIS / WA5333120 / 5000
2002 cis-1,2-Dichloroethylene MR 1 SDWIS / WA5333120 / 2380
2002 DICHLOROMETHANE MR 1 SDWIS / WA5333120 / 2964
2002 p-Dichlorobenzene MR 1 SDWIS / WA5333120 / 2969
2002 1,1-Dichloroethylene MR 1 SDWIS / WA5333120 / 2977
2002 1,2-Dichloroethane MR 1 SDWIS / WA5333120 / 2980
2002 1,1,1-Trichloroethane MR 1 SDWIS / WA5333120 / 2981
2002 Carbon tetrachloride MR 1 SDWIS / WA5333120 / 2982
2002 1,1,2-Trichloroethane MR 1 SDWIS / WA5333120 / 2985
2002 Tetrachloroethylene MR 1 SDWIS / WA5333120 / 2987
2002 CHLOROBENZENE MR 1 SDWIS / WA5333120 / 2989
2002 Benzene MR 1 SDWIS / WA5333120 / 2990

How HILLCREST HOMESTEAD TRACTS WATER Compares

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

Metric HILLCREST HOMESTEAD TRACTS WATER Washington avg Federal benchmark
Total violations 46 69 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 6 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 29 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 HILLCREST HOMESTEAD TRACTS WATER water safe to drink?
HILLCREST HOMESTEAD TRACTS WATER (PWS ID: WA5333120) has 46 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 29 people using Groundwater sources.
How many people does HILLCREST HOMESTEAD TRACTS WATER serve?
HILLCREST HOMESTEAD TRACTS WATER serves 29 people in Coupeville, Washington. It is a Private-owned system using Groundwater water sources with 15 service connections.
What type of violations does HILLCREST HOMESTEAD TRACTS WATER have?
HILLCREST HOMESTEAD TRACTS WATER has 46 total violations: 6 health-based violations (MCL exceedances or treatment failures), 35 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in HILLCREST HOMESTEAD TRACTS WATER water?
No PFAS testing data is available for HILLCREST HOMESTEAD TRACTS WATER under the EPA's UCMR5 monitoring program.
What water source does HILLCREST HOMESTEAD TRACTS WATER use?
HILLCREST HOMESTEAD TRACTS WATER 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.

Explore PlainWater

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