CITY OF LATHROP
California — Community Water System — PWSID: CA3910015
System Information
| PWSID | CA3910015 |
| System Name | CITY OF LATHROP |
| 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 | LATHROP |
| ZIP Code | 95330 |
| Address | 390 Towne Centre Drive |
| Organization | KING, MICHAEL |
| Phone | 209-941-7454 |
Population & Service
| Population Served | 35,080 |
| Service Connections | 11,185 |
Drinking Water Violations (124)
This water system has 124 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Sep 30, 2018 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | 29.3 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | 29.3 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | 29.3 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | 29.3 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | .011 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2014 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .01185 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | .01185 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | 29.13 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | 29.13 PCI/L | 30 ug/L | 20 | Resolved | Dec 31, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .01343 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | .01343 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 29.96 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 29.96 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .01425 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | .01425 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | 22.88 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | 22.88 PCI/L | 30 ug/L | 20 | Resolved | Jun 30, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | 20.7 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | .013 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2013 | — | |
| Jan 1, 2013 | Mar 31, 2013 | MCL | Yes | No | 20.7 PCI/L | 30 ug/L | 20 | Resolved | Mar 31, 2013 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | .01275 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | — | |
| Oct 1, 2012 | Dec 31, 2012 | MCL | Yes | No | .01275 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | .01175 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | .01175 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 20.69 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2012 | — | |
| Jul 1, 2012 | Sep 30, 2012 | MCL | Yes | No | 20.69 PCI/L | 30 ug/L | 20 | Resolved | Sep 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .0187 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .0187 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | — | |
| Apr 1, 2012 | Jun 30, 2012 | MCL | Yes | No | .0187 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .01875 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .01875 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | — | |
| Jan 1, 2012 | Mar 31, 2012 | MCL | Yes | No | .01875 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2012 | — | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .0187 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | — | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .0187 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | — | |
| Oct 1, 2011 | Dec 31, 2011 | MCL | Yes | No | .0187 MG/L | 0.010 mg/L | .01 | Resolved | Dec 31, 2011 | — | |
| Jul 1, 2011 | Sep 30, 2011 | MCL | Yes | No | .0186 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2011 | — | |
| Jul 1, 2011 | Sep 30, 2011 | MCL | Yes | No | .0186 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2011 | — | |
| Jul 1, 2011 | Sep 30, 2011 | MCL | Yes | No | .0186 MG/L | 0.010 mg/L | .01 | Resolved | Sep 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MCL | Yes | No | .0186 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MCL | Yes | No | .0186 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MCL | Yes | No | .0186 MG/L | 0.010 mg/L | .01 | Resolved | Jun 30, 2011 | — | |
| Jan 1, 2011 | Mar 31, 2011 | MCL | Yes | No | .018 MG/L | 0.010 mg/L | .01 | Resolved | Mar 31, 2011 | — |
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.