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TURLOCK, CITY OF

California — Community Water System — PWSID: CA5010019

System Information

PWSIDCA5010019
System NameTURLOCK, CITY OF
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityTURLOCK
ZIP Code95380
Address156 S Broadway, Suite 270
OrganizationGUERRERO, CARLOS
Phone209-668-5457

Population & Service

Population Served72,682
Service Connections19,716

Drinking Water Violations (14)

This water system has 14 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, 2017 Mar 31, 2017 Nitrate MCL Yes No 11.6 MG/L 10 mg/L 10 Resolved Feb 28, 2017 Nitrate Rule
Jan 1, 2017 Mar 31, 2017 Nitrate MCL Yes No 11.6 MG/L 10 mg/L 10 Resolved Feb 28, 2017 Nitrate Rule
Apr 1, 2011 Jun 30, 2011 Arsenic MCL Yes No .0111 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011 Arsenic Rule
Apr 1, 2011 Jun 30, 2011 Arsenic MCL Yes No .0111 MG/L 0.010 mg/L .01 Resolved Jun 30, 2011 Arsenic Rule
Jan 1, 2011 Mar 31, 2011 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011 Arsenic Rule
Jan 1, 2011 Mar 31, 2011 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2011 Arsenic Rule
Jun 1, 2010 Jun 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 14, 2010 Total Coliform Rule
Jun 1, 2010 Jun 30, 2010 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 14, 2010 Total Coliform Rule
Feb 1, 2009 Feb 28, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 2009 Total Coliform Rule
Feb 1, 2009 Feb 28, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 2009 Total Coliform Rule
Apr 1, 2002 Apr 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2002 Total Coliform Rule
Jun 1, 1998 Jun 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1998 Total Coliform Rule
Jun 1, 1998 Jun 30, 1998 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1998 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 1993 Total Coliform Rule

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.

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