MARIPOSA PUBLIC UTILITY DIST
PWS ID: CA2210001 · MARIPOSA, California 95338
Population Served
2,000
Total Violations
184
Health-Based Violations
176
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 684
- County
- Mariposa
- School/Daycare
- No
- MCL Violations
- 162
- Monitoring Violations
- 6
- Treatment Tech Violations
- 14
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 99 | 2012 |
| TTHM | MCL | 63 | 2013 |
| CARBON, TOTAL | TT | 12 | 2013 |
| CARBON, TOTAL | MR | 2 | 2004 |
| Nitrate | MR | 2 | 2005 |
| Surface Water Treatment Rule | TT | 2 | 1995 |
| Lead and Copper Rule | MR | 2 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.