FARMINGTON WATER DEPT
PWS ID: WA5324700 · Farmington, Washington 99128
Population Served
165
Total Violations
28
Health-Based Violations
10
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 84
- County
- Whitman
- School/Daycare
- No
- MCL Violations
- 10
- Monitoring Violations
- 14
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 10 | 2004 |
| Coliform (TCR) | MR | 4 | 2000 |
| Consumer Confidence Rule | Other | 3 | 2017 |
| Nitrate | MR | 2 | 2021 |
| Dalapon | MR | 1 | 2014 |
| Dinoseb | MR | 1 | 2014 |
| Pentachlorophenol | MR | 1 | 2014 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Picloram | MR | 1 | 2014 |
| 2,4,5-TP | MR | 1 | 2014 |
| Revised Total Coliform Rule | MON | 1 | 2022 |
| Lead and Copper Rule | MR | 1 | 2000 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.