GUADALUPE VALLEY MID
California - Community Water System - PWSID: CA4110005
System Information
| PWSID | CA4110005 |
| System Name | GUADALUPE VALLEY MID |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | BRISBANE |
| ZIP Code | 94005 |
| Address | 50 PARK PLACE |
| Organization | BOZORGINIA, MAZ |
| Phone | 415-508-2131 |
Population & Service
| Population Served | 1,472 |
| Service Connections | 749 |
Drinking Water Violations (8)
This water system has 8 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Dec 24, 2004 | - | |
| Sep 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Sep 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Sep 1, 1999 | Sep 30, 1999 | Other | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Sep 1, 1999 | Sep 30, 1999 | Other | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1993 | Dec 31, 2003 | MR | No | No | - | TT | - | Resolved | Dec 31, 2003 | - | |
| Jun 1, 1993 | Jun 30, 1993 | TT | Yes | No | - | - | - | Resolved | Mar 5, 1992 | - | |
| Jun 1, 1993 | Jun 30, 1993 | TT | Yes | No | - | - | - | Resolved | Mar 5, 1992 | - |
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.