RIO MESA HIGH SCHOOL/OXNARD UHS
California — Non-Transient Non-Community — PWSID: CA5602407
System Information
| PWSID | CA5602407 |
| System Name | RIO MESA HIGH SCHOOL/OXNARD UHS |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 5, 1981 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | OXNARD |
| ZIP Code | 93030 |
| Address | 309 South K Street, Building C |
| Organization | VILLASENOR, BRITTANY |
| Phone | 805-432-9930 |
Population & Service
| Population Served | 2,600 |
| Service Connections | 13 |
Drinking Water Violations (4)
This water system has 4 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 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | TT | Yes | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Sep 1, 2022 | Sep 30, 2022 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Sep 30, 2022 | Revised Total Coliform Rule |
| May 1, 1997 | May 31, 1997 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 1997 | 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.