HARRIS CUSTER ESTATES WATER ASSN
Washington — Community Water System — PWSID: WA5317035
System Information
| PWSID | WA5317035 |
| System Name | HARRIS CUSTER ESTATES WATER ASSN |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 10 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 7, 1981 |
| Last Reported | Dec 11, 2025 |
Location & Contact
| State | Washington |
| City | Coupeville |
| ZIP Code | 98239 |
| Address | 102 SW Terry Rd |
| Organization | HARRIS CUSTER ESTATES WATER ASSN |
| Phone | — |
Population & Service
| Population Served | 194 |
| Service Connections | 62 |
Drinking Water Violations (7)
This water system has 7 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 6, 2025 | Consumer Confidence Rule |
| Jan 1, 2022 | Dec 31, 2024 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Archived | Dec 31, 2024 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2022 | Dec 31, 2022 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2022 | Nitrate Rule |
| Jan 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 19, 2022 | Lead and Copper Rule |
| May 1, 2017 | — | Revised Total Coliform Rule | TT | Yes | No | — | — | — | Resolved | Aug 29, 2017 | Revised Total Coliform Rule |
| Nov 1, 1993 | Nov 30, 1993 | Coliform (TCR) | MR | No | Yes | — | 5% of samples | — | Archived | Nov 30, 1993 | Total Coliform Rule |
| Oct 1, 1979 | Oct 31, 1979 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Oct 31, 1979 | Radionuclides and Revised Rad Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.