MISSION HILLS CSD
California — Community Water System — PWSID: CA4210019
System Information
| PWSID | CA4210019 |
| System Name | MISSION HILLS CSD |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | LOMPOC |
| ZIP Code | 93436 |
| Address | 1550 East Burton Mesa Blvd |
| Organization | GARNER, MICHAEL |
| Phone | 805-733-4366 |
Population & Service
| Population Served | 3,600 |
| Service Connections | 1,313 |
Drinking Water Violations (6)
This water system has 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2017 | Apr 30, 2017 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2017 | Revised Total Coliform Rule |
| Apr 1, 2017 | Apr 30, 2017 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2017 | Revised Total Coliform Rule |
| Nov 1, 2011 | Nov 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | Total Coliform Rule |
| Nov 1, 2011 | Nov 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | Total Coliform Rule |
| Oct 1, 2011 | Oct 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | Total Coliform Rule |
| Oct 1, 2011 | Oct 31, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2011 | 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.