BETHEL ISLAND MUTUAL WATER CO
PWS ID: CA0707572 · BETHEL ISLAND, California 94511
Population Served
123
Total Violations
11
Health-Based Violations
3
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 43
- County
- Contra Costa
- School/Daycare
- No
- MCL Violations
- 3
- Monitoring Violations
- 7
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 3 | 2022 |
| Coliform (TCR) | MCL | 3 | 2013 |
| Arsenic | MR | 2 | 2012 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.