LOMPOC-CITY WATER UTILITY DIV
California — Community Water System — PWSID: CA4210006
System Information
| PWSID | CA4210006 |
| System Name | LOMPOC-CITY WATER UTILITY DIV |
| System Type | Community Water System |
| Water Source | Surface 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 | 601 East North Avenue |
| Organization | RYAN, SHAUN |
| Phone | 805-875-8701 |
Population & Service
| Population Served | 40,473 |
| Service Connections | 9,888 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2009 | Oct 31, 2009 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 31, 2009 | Surface Water Treatment Rule |
| Oct 1, 2009 | Oct 31, 2009 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Oct 31, 2009 | Surface Water Treatment Rule |
| Jan 1, 1996 | Dec 31, 1996 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Feb 13, 1996 | Surface Water Treatment Rule |
| Jan 1, 1996 | Dec 31, 1996 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Feb 13, 1996 | Surface Water Treatment Rule |
| Jul 1, 1993 | Jul 31, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jul 31, 1993 | Surface Water Treatment Rule |
| Jul 1, 1993 | Jul 31, 1993 | Surface Water Treatment Rule | TT | Yes | No | — | — | — | Resolved | Jul 31, 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.