POTTER VALLEY SCHOOL DISTRICT
PWS ID: CA2300755 · POTTER VALLEY, California 95469
Population Served
309
Total Violations
17
Health-Based Violations
1
Water Source
Surface Water
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- Local
- Connections
- 36
- County
- Mendocino
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 15
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 1999 |
| Nitrate | MR | 6 | 2018 |
| Revised Total Coliform Rule | MON | 2 | 2018 |
| Lead and Copper Rule | MR | 1 | 1993 |
| Surface Water Treatment Rule | TT | 1 | 2021 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.