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AJO DWID

Arizona — Community Water System — PWSID: AZ0410153

System Information

PWSIDAZ0410153
System NameAJO DWID
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityAJO
ZIP Code85321
AddressAttn: Lee Ivey
OrganizationAJO DWID
Phone928-210-8632

Population & Service

Population Served405
Service Connections152

Drinking Water Violations (149)

This water system has 149 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
Sep 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 11, 2024 Revised Total Coliform Rule
Sep 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 11, 2024 Revised Total Coliform Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 5, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 5, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 5, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Dec 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 5, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 26, 2021 Revised Total Coliform Rule
Nov 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 26, 2021 Revised Total Coliform Rule
Sep 1, 2020 Nov 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Nov 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Nov 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Nov 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Nov 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Nov 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2020 Nov 30, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Nov 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 29, 2020 May 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved May 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 29, 2020 May 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved May 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 29, 2020 May 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved May 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 29, 2020 May 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved May 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2019 Nov 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Nov 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2019 Nov 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Nov 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2019 Nov 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Nov 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2019 Nov 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Nov 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2019 Nov 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Nov 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2019 Nov 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Nov 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Aug 31, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Aug 31, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Aug 31, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Aug 31, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Aug 31, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Aug 31, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Aug 31, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2019 Aug 31, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2019 Stage 2 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
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
Apr 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved May 13, 2018 Revised Total Coliform Rule
May 1, 2017 May 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2017 Revised Total Coliform Rule
May 1, 2017 May 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2017 Revised Total Coliform Rule
Apr 1, 2017 Apr 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2017 Revised Total Coliform Rule
Apr 1, 2017 Apr 30, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 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
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
Oct 1, 2016 Dec 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Aug 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2016 Revised Total Coliform Rule
Aug 1, 2016 Aug 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2016 Revised Total Coliform Rule
Aug 1, 2016 Aug 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 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
Mar 1, 2016 Mar 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2016 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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