RIDGEWOOD WATER SYSTEM
PWS ID: CA2300708 · WILLITS, California 95490
Population Served
265
Total Violations
25
Health-Based Violations
3
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 167
- County
- Mendocino
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 20
- Treatment Tech Violations
- 1
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Lead and Copper Rule | MR | 6 | 2017 |
| Coliform (TCR) | MR | 4 | 2001 |
| Coliform (TCR) | MCL | 2 | 2012 |
| TTHM | MR | 2 | 2006 |
| Nitrate | MR | 2 | 2013 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
| Nitrite | MR | 2 | 2013 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2005 |
| Surface Water Treatment Rule | TT | 1 | 2023 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.