CITY OF FRESNO
California - Community Water System - PWSID: CA1010007
System Information
| PWSID | CA1010007 |
| System Name | CITY OF FRESNO |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | FRESNO |
| ZIP Code | 93703 |
| Address | 1910 EAST UNIVERSITY AVE. |
| Organization | COLBY, CHAD |
| Phone | 559-621-5315 |
Population & Service
| Population Served | 545,716 |
| Service Connections | 144,185 |
Drinking Water Violations (33)
This water system has 33 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, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | TT | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | TT | - | Resolved | Dec 31, 2010 | - | |
| Oct 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .00025 MG/L | 0.0002 mg/L | .0002 | Resolved | Dec 31, 2009 | - | |
| Dec 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .00025 MG/L | 0.0002 mg/L | .0002 | Resolved | Dec 31, 2009 | - | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | Yes | - | 10 mg/L | - | Resolved | Feb 28, 1997 | - | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | Yes | - | 10 mg/L | - | Resolved | Feb 28, 1997 | - | |
| Jan 27, 1997 | Dec 31, 1997 | MCL | Yes | No | 58 MG/L | 10 mg/L | 45 | Resolved | Apr 21, 1997 | - | |
| Jan 27, 1997 | Dec 31, 1997 | MCL | Yes | No | 58 MG/L | 10 mg/L | 45 | Resolved | Apr 21, 1997 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Jun 1, 1993 | Jun 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1993 | - | |
| Jun 1, 1993 | Jun 30, 1993 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1993 | - | |
| Nov 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| Nov 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| Nov 1, 1992 | Nov 30, 1992 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 1992 | - | |
| 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 | - | - | - | - | - | - | |
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| - | - | - | 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.