EDWARDS AFB - MAIN BASE
California — Community Water System — PWSID: CA1510701
System Information
| PWSID | CA1510701 |
| System Name | EDWARDS AFB - MAIN BASE |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 31, 1980 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | EDWARDS AFB |
| ZIP Code | 93524 |
| Address | 225 N. ROSAMOND BLVD, Bldg 3500 |
| Organization | EDWARDS, MARK |
| Phone | 661-275-2190 |
Population & Service
| Population Served | 11,316 |
| Service Connections | 1,088 |
Drinking Water Violations (16)
This water system has 16 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2023 | Nov 30, 2023 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Nov 30, 2023 | Revised Total Coliform Rule |
| Nov 1, 2023 | Nov 30, 2023 | Revised Total Coliform Rule | MCL | Yes | No | — | — | — | Resolved | Nov 30, 2023 | Revised Total Coliform Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Archived | Dec 31, 2023 | Nitrate Rule |
| Nov 1, 2013 | Nov 30, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2013 | Total Coliform Rule |
| Nov 1, 2013 | Nov 30, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2013 | Total Coliform Rule |
| Dec 1, 2010 | Dec 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | Total Coliform Rule |
| Dec 1, 2010 | Dec 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | Total Coliform Rule |
| Apr 1, 2005 | Apr 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2005 | Total Coliform Rule |
| Apr 1, 2005 | Apr 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2005 | Total Coliform Rule |
| Dec 1, 2000 | Dec 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | Total Coliform Rule |
| Dec 1, 2000 | Dec 31, 2000 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2000 | 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 |
| Oct 1, 1993 | Oct 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | Total Coliform Rule |
| Aug 1, 1993 | Aug 31, 1993 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 1993 | Total Coliform Rule |
| Dec 1, 1992 | Dec 31, 1992 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 1992 | 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.