WASHINGTON WATER DISTRICT
PWS ID: CA2900523 · WASHINGTON, California 95986
Population Served
330
Total Violations
58
Health-Based Violations
10
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 115
- County
- Nevada
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 18
- Treatment Tech Violations
- 10
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 10 | 2012 |
| Surface Water Treatment Rule | TT | 6 | 2002 |
| Long Term 2 Enhanced Surface Water Treatment Rule | TT | 3 | 2007 |
| Nitrate | MR | 2 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2020 |
| TTHM | MR | 2 | 2020 |
| Lead and Copper Rule | MR | 1 | 1993 |
| LEAD AND COPPER RULE REVISIONS | TT | 1 | 2024 |
| LEAD AND COPPER RULE REVISIONS | RPT | 1 | 2024 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1981 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.