PACIFIC UNION COLLEGE
California — Community Water System — PWSID: CA2810012
System Information
| PWSID | CA2810012 |
| System Name | PACIFIC UNION COLLEGE |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 6, 1994 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | ANGWIN |
| ZIP Code | 94508-9802 |
| Address | 205 HIGHLAND OAKS DRIVE |
| Organization | WITHERS, DALE |
| Phone | 707-965-7150 |
Population & Service
| Population Served | 1,958 |
| Service Connections | 313 |
Drinking Water Violations (7)
This water system has 7 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2012 | Total Coliform Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2012 | Total Coliform Rule |
| Mar 1, 2010 | Mar 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | Total Coliform Rule |
| Mar 1, 2010 | Mar 31, 2010 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2010 | Total Coliform Rule |
| Jan 1, 2005 | Dec 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2005 | Dec 31, 2005 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Dec 31, 2005 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Apr 1, 2004 | Apr 30, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2004 | Total Coliform Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.