LOS OSOS COMMUNITY SERVICES DISTRICT
California — Community Water System — PWSID: CA4010016
System Information
| PWSID | CA4010016 |
| System Name | LOS OSOS COMMUNITY SERVICES DISTRICT |
| 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 | LOS OSOS |
| ZIP Code | 93402 |
| Address | 2122 9th Street Suite 110 |
| Organization | MUNDS, RON |
| Phone | 805-528-9379 |
Population & Service
| Population Served | 7,086 |
| Service Connections | 2,776 |
Drinking Water Violations (3)
This water system has 3 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, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 18, 2019 | Lead and Copper Rule |
| Oct 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 18, 2019 | Lead and Copper Rule |
| Jun 30, 1993 | Apr 4, 2000 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 4, 2000 | Lead and Copper 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.