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SOMERTON CITY OF

Arizona — Community Water System — PWSID: AZ0414015

System Information

PWSIDAZ0414015
System NameSOMERTON CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CitySOMERTON
ZIP Code85350
Address143 N STATE AVE
OrganizationBRAN, SARA
Phone928-722-7322

Population & Service

Population Served14,197
Service Connections3,624

Drinking Water Violations (153)

This water system has 153 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, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 20, 2024 Revised Total Coliform Rule
Jul 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 20, 2024 Revised Total Coliform Rule
Mar 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 5, 2023 Revised Total Coliform Rule
Mar 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 5, 2023 Revised Total Coliform Rule
Mar 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 5, 2023 Revised Total Coliform Rule
Feb 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 5, 2023 Revised Total Coliform Rule
Feb 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 5, 2023 Revised Total Coliform Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Oct 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Oct 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Oct 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Oct 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 4, 2020 Revised Total Coliform Rule
Jul 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 4, 2020 Revised Total Coliform Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Aug 28, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Aug 28, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Aug 28, 2019 Consumer Confidence Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2017 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 14, 2017 Revised Total Coliform Rule
Jan 1, 2017 Mar 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2016 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 18, 2017 Revised Total Coliform Rule
Dec 1, 2016 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 18, 2017 Revised Total Coliform Rule
Nov 1, 2016 Nov 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2016 Revised Total Coliform Rule
Nov 1, 2016 Nov 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2016 Revised Total Coliform Rule
Jul 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Apr 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2016 Revised Total Coliform Rule
Apr 1, 2016 Apr 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2016 Revised Total Coliform Rule
Jan 1, 2012 Mar 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Mar 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2011 — E. COLI MR No Yes — — — Resolved Dec 16, 2011 Ground Water Rule
Jul 1, 2011 Sep 30, 2011 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 Sep 30, 2011 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2010 Jun 30, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Mar 31, 2010 TTHM MCL Yes No .098 MG/L 0.080 mg/L .08 Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Mar 31, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Jul 13, 2006 Consumer Confidence Rule
Jul 1, 2005 — Consumer Confidence Rule Other No No — — — Resolved Jul 18, 2005 Consumer Confidence Rule
Jan 1, 2005 Mar 31, 2005 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 — Lead and Copper Rule MR No No — TT — Resolved Jul 7, 2008 Lead and Copper Rule
Oct 1, 2004 Dec 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2004 Aug 31, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2004 Total Coliform Rule
Jul 1, 2004 — Consumer Confidence Rule Other No No — — — Resolved Jul 18, 2005 Consumer Confidence Rule
Jul 1, 2004 Sep 30, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts 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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