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EXETER, CITY OF

California — Community Water System — PWSID: CA5410003

System Information

PWSIDCA5410003
System NameEXETER, CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedMar 22, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CityEXETER
ZIP Code93221
AddressP.O. BOX 237
OrganizationBOUDREAUX, ZACHARY
Phone559-592-3318

Population & Service

Population Served11,169
Service Connections3,298

Drinking Water Violations (30)

This water system has 30 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 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Jun 30, 2022 Nitrate Rule
Apr 1, 2022 Jun 30, 2022 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Resolved Jun 30, 2022 Nitrate Rule
Apr 1, 2018 Jun 30, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2018 Jun 30, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2018 Mar 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2017 Dec 31, 2017 Revised Total Coliform Rule MON No No — — — Resolved Dec 31, 2017 Revised Total Coliform Rule
Dec 1, 2017 Dec 31, 2017 Revised Total Coliform Rule MON No No — — — Resolved Dec 31, 2017 Revised Total Coliform Rule
Nov 1, 2017 Nov 30, 2017 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2017 Revised Total Coliform Rule
Oct 31, 2011 — Consumer Confidence Rule Other No No — — — Resolved Dec 23, 2013 Consumer Confidence Rule
Oct 31, 2011 — Consumer Confidence Rule Other No No — — — Resolved Dec 23, 2013 Consumer Confidence Rule
Aug 15, 2003 Feb 15, 2004 1,2-DIBROMO-3-CHLOROPROPANE MCL Yes No .00033 MG/L 0.0002 mg/L .0002 Resolved Feb 15, 2004 Synthetic Organic Chemicals
Aug 15, 2003 Feb 15, 2004 1,2-DIBROMO-3-CHLOROPROPANE MCL Yes No .00033 MG/L 0.0002 mg/L .0002 Resolved Feb 15, 2004 Synthetic Organic Chemicals
Jan 1, 2000 Dec 31, 2000 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2000 Nitrate Rule
Jan 1, 2000 Dec 31, 2000 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2000 Nitrate Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1993 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 1993 Total Coliform Rule
May 1, 1993 May 31, 1993 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1993 Total Coliform Rule
Oct 1, 1992 Oct 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1992 Total Coliform Rule
Oct 1, 1992 Oct 31, 1992 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1992 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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