MORRO BAY PW DEPT - WATER DIVISION
California — Community Water System — PWSID: CA4010011
System Information
| PWSID | CA4010011 |
| System Name | MORRO BAY PW DEPT - WATER DIVISION |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | MORRO BAY |
| ZIP Code | 93442 |
| Address | 955 Shasta Avenue |
| Organization | HANSON, DAMARIS |
| Phone | 805-772-6265 |
Population & Service
| Population Served | 13,757 |
| Service Connections | 5,612 |
Drinking Water Violations (13)
This water system has 13 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, 2006 | Nov 30, 2006 | MCL | Yes | No | 49 MG/L | 10 mg/L | 45 | Resolved | Nov 30, 2006 | — | |
| Nov 1, 2006 | Nov 30, 2006 | MCL | Yes | No | 49 MG/L | 10 mg/L | 45 | Resolved | Nov 30, 2006 | — | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2001 | — | |
| Jan 1, 2001 | Jan 31, 2001 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2001 | — | |
| Apr 1, 1998 | Apr 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 26, 1993 | — | |
| Apr 1, 1998 | Apr 30, 1998 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 26, 1993 | — | |
| Jul 1, 1993 | Jul 31, 1993 | TT | Yes | No | — | — | — | Resolved | Jan 26, 1993 | — | |
| Jul 1, 1993 | Jul 31, 1993 | TT | Yes | No | — | — | — | Resolved | Jan 26, 1993 | — | |
| Feb 1, 1993 | Feb 28, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 26, 1993 | — | |
| Feb 1, 1993 | Feb 28, 1993 | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 26, 1993 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.