CALIFORNIA MENS COLONY
California — Community Water System — PWSID: CA4010830
System Information
| PWSID | CA4010830 |
| System Name | CALIFORNIA MENS COLONY |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 15, 1992 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | California |
| City | SAN LUIS OBISPO |
| ZIP Code | 93409 |
| Address | PO Box 8101 |
| Organization | BUFFALOE, SCOTT |
| Phone | 805-547-7926 |
Population & Service
| Population Served | 15,000 |
| Service Connections | 12 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2022 | Nov 30, 2022 | Surface Water Treatment Rule | MR | No | No | — | — | — | Resolved | Nov 30, 2022 | Surface Water Treatment Rule |
| Nov 1, 2022 | Nov 30, 2022 | Surface Water Treatment Rule | MR | No | No | — | — | — | Resolved | Nov 30, 2022 | Surface Water Treatment Rule |
| Aug 3, 2012 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Jan 1, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Aug 3, 2012 | — | Stage 1 Disinfectants and Disinfection Byproducts Rule | TT | Yes | No | — | — | — | Resolved | Jan 1, 2013 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | Mar 31, 2004 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2004 | Mar 31, 2004 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Mar 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.