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WHY DWID

Arizona — Community Water System — PWSID: AZ0410118

System Information

PWSIDAZ0410118
System NameWHY DWID
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityAJO
ZIP Code85321
Address520 S MEQUITE LANE
OrganizationHADLEY, BILL
Phone520-387-5460

Population & Service

Population Served400
Service Connections113

Drinking Water Violations (543)

This water system has 543 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
Jun 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 22, 2024 Revised Total Coliform Rule
Jun 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 22, 2024 Revised Total Coliform Rule
Apr 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 18, 2024 Revised Total Coliform Rule
Apr 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 18, 2024 Revised Total Coliform Rule
Feb 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 18, 2024 Revised Total Coliform Rule
Feb 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 18, 2024 Revised Total Coliform Rule
Aug 25, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 6, 2024 Lead and Copper Rule
Aug 25, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 6, 2024 Lead and Copper Rule
Dec 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 9, 2023 Lead and Copper Rule
Dec 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 9, 2023 Lead and Copper Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jul 15, 2022 Consumer Confidence Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 23, 2023 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 23, 2023 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 23, 2023 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 23, 2023 Lead and Copper Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Jul 15, 2022 Consumer Confidence Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 22, 2022 Revised Total Coliform Rule
Feb 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 22, 2022 Revised Total Coliform Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2022 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2021 Arsenic Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2021 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jul 6, 2021 Consumer Confidence Rule
Jul 1, 2021 Sep 30, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Sep 30, 2021 Arsenic Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jul 6, 2021 Consumer Confidence Rule
Jul 1, 2021 Sep 30, 2021 Arsenic MR No Yes — 0.010 mg/L — Resolved Sep 30, 2021 Arsenic Rule
Mar 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved May 18, 2020 Revised Total Coliform Rule
Mar 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved May 18, 2020 Revised Total Coliform Rule
Oct 1, 2019 Dec 31, 2019 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2019 Arsenic Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 19, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 19, 2019 Consumer Confidence Rule
Oct 1, 2018 Dec 31, 2018 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Dec 31, 2018 Arsenic Rule
Oct 1, 2018 Dec 31, 2018 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Dec 31, 2018 Arsenic Rule
Oct 1, 2018 Dec 31, 2018 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Dec 31, 2018 Arsenic Rule
Oct 1, 2018 Dec 31, 2018 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Dec 31, 2018 Arsenic Rule
Sep 1, 2018 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
Sep 1, 2018 Aug 31, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 Arsenic MCL Yes No .013 MG/L 0.010 mg/L .01 Resolved Sep 30, 2018 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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