HARRIS CUSTER ESTATES WATER ASSN
PWS ID: WA5317035 · Coupeville, Washington 98239
Population Served
194
Total Violations
9
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 62
- County
- Island
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 7
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 3 | 2019 |
| Revised Total Coliform Rule | TT | 1 | 2017 |
| Consumer Confidence Rule | Other | 1 | 2025 |
| Coliform (TCR) | MR | 1 | 1993 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| TTHM | MR | 1 | 2022 |
| Nitrate | MR | 1 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.