SERENO DEL MAR WATER COMPANY (PUC)
PWS ID: CA4900647 · FORESTVILLE, California 95436
Population Served
435
Total Violations
19
Health-Based Violations
6
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 139
- County
- Sonoma
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 7
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Surface Water Treatment Rule | TT | 4 | 2000 |
| Coliform (TCR) | MCL | 2 | 2001 |
| Nitrate | MR | 2 | 2006 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
| Nitrite | MR | 2 | 2007 |
| Lead and Copper Rule | MR | 1 | 1993 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.