USMC YERMO ANNEX
California - Non-Transient Non-Community - PWSID: CA3610702
System Information
| PWSID | CA3610702 |
| System Name | USMC YERMO ANNEX |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 31, 1980 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | BARSTOW |
| ZIP Code | 92311 |
| Address | Marine Corps Logistics Base |
| Organization | HURTADO, MARIA |
| Phone | 760-577-6397 |
Population & Service
| Population Served | 411 |
| Service Connections | 258 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 1, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Jul 1, 2022 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2015 | - | |
| Jun 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jun 23, 2017 | - | |
| Jun 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jun 23, 2017 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.