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HUGHSON, CITY OF

California — Community Water System — PWSID: CA5010008

System Information

PWSIDCA5010008
System NameHUGHSON, 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
CityHUGHSON
ZIP Code95326
Address7018 Pine Street, P.O. Box 9
OrganizationJAUREGUI, CARLA
Phone209-450-6252

Population & Service

Population Served7,481
Service Connections2,329

Drinking Water Violations (87)

This water system has 87 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, 2025 Sep 30, 2025 Arsenic MCL Yes No .0143 MG/L 0.010 mg/L .01 Archived Sep 30, 2025 Arsenic Rule
Apr 1, 2025 Jun 30, 2025 Arsenic MCL Yes No .0153 MG/L 0.010 mg/L .01 Archived Jun 30, 2025 Arsenic Rule
Jan 1, 2025 Mar 31, 2025 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Mar 31, 2025 Arsenic Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Unaddressed — Lead and Copper Rule Revisions
Oct 1, 2024 Dec 31, 2024 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Archived Dec 31, 2024 Arsenic Rule
Jul 1, 2024 Sep 30, 2024 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Sep 30, 2024 Arsenic Rule
Apr 1, 2024 Jun 30, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2024 Arsenic Rule
Jan 1, 2024 Mar 31, 2024 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Mar 31, 2024 Arsenic Rule
Oct 1, 2023 Dec 31, 2023 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Dec 31, 2023 Arsenic Rule
Jul 1, 2023 Sep 30, 2023 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Sep 30, 2023 Arsenic Rule
Apr 1, 2023 Jun 30, 2023 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Jun 30, 2023 Arsenic Rule
Jan 1, 2023 Mar 31, 2023 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Mar 31, 2023 Arsenic Rule
Oct 1, 2022 Dec 31, 2022 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Dec 31, 2022 Arsenic Rule
Jul 1, 2022 Sep 30, 2022 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Sep 30, 2022 Arsenic Rule
Apr 1, 2022 Jun 30, 2022 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Jun 30, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Archived Mar 31, 2022 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .0133 MG/L 0.010 mg/L .01 Archived Dec 31, 2021 Arsenic Rule
Jul 1, 2021 Sep 30, 2021 Arsenic MCL Yes No .0141 MG/L 0.010 mg/L .01 Archived Sep 30, 2021 Arsenic Rule
Apr 1, 2021 Jun 30, 2021 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Jun 30, 2021 Arsenic Rule
Jan 1, 2021 Mar 31, 2021 Arsenic MCL Yes No .0159 MG/L 0.010 mg/L .01 Archived Mar 31, 2021 Arsenic Rule
Oct 1, 2020 Dec 31, 2020 Arsenic MCL Yes No .0153 MG/L 0.010 mg/L .01 Archived Dec 31, 2020 Arsenic Rule
Jul 1, 2020 Sep 30, 2020 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Archived Sep 30, 2020 Arsenic Rule
Apr 1, 2020 Jun 30, 2020 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Archived Jun 30, 2020 Arsenic Rule
Jan 1, 2020 Mar 31, 2020 Arsenic MCL Yes No .0138 MG/L 0.010 mg/L .01 Archived Mar 31, 2020 Arsenic Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Archived Dec 31, 2019 Arsenic Rule
Jul 1, 2019 Sep 30, 2019 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Sep 30, 2019 Arsenic Rule
Apr 1, 2019 Jun 30, 2019 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Jun 30, 2019 Arsenic Rule
Jan 1, 2019 Mar 31, 2019 Arsenic MCL Yes No .0151 MG/L 0.010 mg/L .01 Archived Mar 31, 2019 Arsenic Rule
Oct 1, 2018 Dec 31, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Dec 31, 2018 Arsenic Rule
Jul 1, 2018 Sep 30, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Sep 30, 2018 Arsenic Rule
Apr 1, 2018 Jun 30, 2018 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Jun 30, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Mar 31, 2018 Arsenic Rule
Oct 1, 2017 Dec 31, 2017 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Dec 31, 2017 Arsenic Rule
Jul 1, 2017 Sep 30, 2017 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Sep 30, 2017 Arsenic Rule
Jan 1, 2017 Mar 31, 2017 Arsenic MCL Yes No .0115 MG/L 0.010 mg/L .01 Archived Mar 31, 2017 Arsenic Rule
Oct 1, 2016 Dec 31, 2016 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Dec 31, 2016 Arsenic Rule
Apr 1, 2016 Jun 30, 2016 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2016 Arsenic Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Mar 31, 2016 Arsenic Rule
Oct 1, 2015 Dec 31, 2015 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Dec 31, 2015 Arsenic Rule
Jul 1, 2015 Sep 30, 2015 Arsenic MCL Yes No .015 MG/L 0.010 mg/L .01 Archived Sep 30, 2015 Arsenic Rule
Apr 1, 2015 Jun 30, 2015 Arsenic MCL Yes No .014 MG/L 0.010 mg/L .01 Archived Jun 30, 2015 Arsenic Rule
Jan 1, 2015 Mar 31, 2015 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Mar 31, 2015 Arsenic Rule
Oct 1, 2014 Dec 31, 2014 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Dec 31, 2014 Arsenic Rule
Jul 1, 2014 Sep 30, 2014 Arsenic MCL Yes No .012 MG/L 0.010 mg/L .01 Archived Sep 30, 2014 Arsenic Rule
Apr 1, 2014 Jun 30, 2014 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Jun 30, 2014 Arsenic Rule
Jan 1, 2014 Mar 31, 2014 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Archived Mar 31, 2014 Arsenic Rule
Oct 1, 2013 Dec 31, 2013 Arsenic MCL Yes No .0122 MG/L 0.010 mg/L .01 Archived Dec 31, 2013 Arsenic Rule
Jul 1, 2013 Sep 30, 2013 Arsenic MCL Yes No .0135 MG/L 0.010 mg/L .01 Archived Sep 30, 2013 Arsenic Rule
Apr 1, 2013 Jun 30, 2013 Arsenic MCL Yes No .0138 MG/L 0.010 mg/L .01 Archived Jun 30, 2013 Arsenic 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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