PACIFIC UNION COLLEGE
PWS ID: CA2810012 · ANGWIN, California 94508-9802
Population Served
1,958
Total Violations
9
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 313
- County
- Napa
- School/Daycare
- Yes
- MCL Violations
- 0
- Monitoring Violations
- 9
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 6 | 2012 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2005 |
| 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.