VALLEY STATE PRISON
California — Community Water System — PWSID: CA2010801
System Information
| PWSID | CA2010801 |
| System Name | VALLEY STATE PRISON |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 17, 1996 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | CHOWCHILLA |
| ZIP Code | 93610 |
| Address | P.O. BOX 99 |
| Organization | TILLER, ERIC |
| Phone | 559-665-6100 |
Population & Service
| Population Served | 3,173 |
| Service Connections | 74 |
Drinking Water Violations (68)
This water system has 68 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2016 | Jun 30, 2016 | MON | No | No | — | — | — | Resolved | Jun 30, 2016 | — | |
| Jun 1, 2016 | Jun 30, 2016 | MON | No | No | — | — | — | Resolved | Jun 30, 2016 | — | |
| May 1, 2016 | May 31, 2016 | MON | No | No | — | — | — | Resolved | May 31, 2016 | — | |
| May 1, 2016 | May 31, 2016 | MON | No | No | — | — | — | Resolved | May 31, 2016 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | 13 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | 13 UG/L | 0.010 mg/L | 10 | Resolved | Sep 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MCL | Yes | No | 12 UG/L | 0.010 mg/L | 10 | Resolved | Jun 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MCL | Yes | No | 12 UG/L | 0.010 mg/L | 10 | Resolved | Jun 30, 2015 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2014 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .0109 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Jan 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2014 | — | |
| Jan 1, 2014 | Jan 31, 2014 | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .0109 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .0109 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2014 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | — | |
| May 1, 2013 | May 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2013 | — | |
| May 1, 2013 | May 31, 2013 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .0107 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .0107 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .0107 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | .0108 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | .0108 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | .0108 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MCL | Yes | No | .011175 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MCL | Yes | No | .011175 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2011 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MCL | Yes | No | .011025 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2010 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MCL | Yes | No | .011025 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2010 | — | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2010 | — | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2010 | — | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2010 | — | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Sep 30, 2010 | — | |
| Apr 1, 2010 | Jun 30, 2010 | MCL | Yes | No | .011775 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2010 | — | |
| Apr 1, 2010 | Jun 30, 2010 | MCL | Yes | No | .011775 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2010 | — | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .011025 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2010 | — | |
| Jan 1, 2010 | Mar 31, 2010 | MCL | Yes | No | .011025 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2010 | — | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .012 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2009 | — |
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.