CITY OF STOCKTON

California - Community Water System - PWSID: CA3910012

System Information

PWSIDCA3910012
System NameCITY OF STOCKTON
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedMar 20, 2026

Location & Contact

StateCalifornia
CitySTOCKTON
ZIP Code95206
Address2500 Navy Dr
OrganizationLYTLE, MEL
Phone209-937-8438

Population & Service

Population Served191,302
Service Connections51,522

Drinking Water Violations (23)

This water system has 23 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, 2024 Dec 31, 2024 MR No Yes - 10 mg/L - Resolved Dec 31, 2024 -
Jan 1, 2024 Dec 31, 2024 MR No Yes - 10 mg/L - Resolved Dec 31, 2024 -
Apr 1, 2023 Jun 30, 2023 MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MCL Yes No .083 MG/L 0.080 mg/L .08 Resolved Jun 30, 2023 -
Jan 1, 2023 Mar 31, 2023 MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2023 -
Jan 1, 2023 Mar 31, 2023 MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Mar 31, 2023 -
Oct 1, 2021 - MR No No - TT - Resolved Jan 10, 2025 -
Oct 1, 2021 - MR No No - TT - Resolved Jan 10, 2025 -
Mar 1, 2016 Mar 31, 2016 TT Yes No - - - Resolved Mar 31, 2016 -
Mar 1, 2016 Mar 31, 2016 TT Yes No - - - Resolved Mar 31, 2016 -
Jan 1, 2013 Mar 31, 2013 MCL Yes No .096 MG/L 0.080 mg/L .08 Resolved Mar 31, 2013 -
Jan 1, 2013 Mar 31, 2013 MCL Yes No .096 MG/L 0.080 mg/L .08 Resolved Mar 31, 2013 -
Nov 1, 2005 Nov 30, 2005 Other No No - 5% of samples - Resolved Nov 30, 2005 -
Nov 1, 2005 Nov 30, 2005 Other No No - 5% of samples - Resolved Nov 30, 2005 -
Jul 1, 2001 - Other No No - - - Resolved Nov 20, 2001 -
Jul 1, 2001 - Other No No - - - Resolved Nov 20, 2001 -
Jul 1, 2001 - Other No No - - - Resolved Nov 20, 2001 -
Dec 1, 1999 Dec 31, 1999 MCL Yes No - 5% of samples - Resolved Dec 31, 1999 -
Dec 1, 1999 Dec 31, 1999 MCL Yes No - 5% of samples - Resolved Dec 31, 1999 -
- - - 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.

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