CITY OF ATWATER
California — Community Water System — PWSID: CA2410001
System Information
| PWSID | CA2410001 |
| System Name | CITY OF ATWATER |
| 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 | Mar 20, 2026 |
Location & Contact
| State | California |
| City | ATWATER |
| ZIP Code | 95301 |
| Address | 470 Aviator Drive |
| Organization | VINSON, JUSTIN |
| Phone | 209-357-6370 |
Population & Service
| Population Served | 29,479 |
| Service Connections | 8,502 |
Drinking Water Violations (19)
This water system has 19 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2014 | Dec 31, 2014 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2014 | — | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2013 | — | |
| Jan 1, 2013 | Dec 31, 2013 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2013 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 28, 2005 | — | |
| Jan 1, 2005 | — | MR | No | No | — | TT | — | Resolved | Dec 28, 2005 | — | |
| Feb 1, 2002 | Feb 28, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2002 | — | |
| Feb 1, 2002 | Feb 28, 2002 | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 28, 2002 | — | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2000 | — | |
| Nov 1, 2000 | Nov 30, 2000 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2000 | — | |
| Jan 2, 1996 | — | MR | No | No | — | TT | — | Resolved | Nov 3, 2015 | — | |
| Jan 2, 1996 | — | MR | No | No | — | TT | — | Resolved | Nov 3, 2015 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1992 | — | |
| Sep 1, 1992 | Sep 30, 1992 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 1992 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.