CUYAMACA WATER DISTRICT
PWS ID: CA3700074 · JULIAN, California 92036
Population Served
33,030
Total Violations
25
Health-Based Violations
2
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 186
- County
- San Diego
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 13
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 2013 |
| Consumer Confidence Rule | Other | 4 | 2007 |
| Revised Total Coliform Rule | MCL | 2 | 2022 |
| Nitrate-Nitrite | MR | 2 | 2005 |
| Gross Alpha, Excl. Radon and U | MR | 2 | 1981 |
| 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.