PRESIDIO OF SAN FRANCISCO
California — Community Water System — PWSID: CA3810700
System Information
| PWSID | CA3810700 |
| System Name | PRESIDIO OF SAN FRANCISCO |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 25, 1988 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | SAN FRANCISCO |
| ZIP Code | 94129-0052 |
| Address | PO BOX 29052 |
| Organization | PATRICK, DAN |
| Phone | 415-561-4134 |
Population & Service
| Population Served | 3,500 |
| Service Connections | 1,228 |
Drinking Water Violations (13)
This water system has 13 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 1, 2002 | Dec 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | Total Coliform Rule |
| Dec 1, 2002 | Dec 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2002 | Total Coliform Rule |
| Mar 1, 1994 | Mar 31, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 1994 | Total Coliform Rule |
| Mar 1, 1994 | Mar 31, 1994 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 1994 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Aug 31, 1993 | Surface Water Treatment Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment Rule |
| Jun 1, 1993 | Jun 30, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jun 30, 1993 | Surface Water Treatment 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.