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Chinle USD 24 Administration Center

Arizona — Community Water System — PWSID: NN0403060

System Information

PWSIDNN0403060
System NameChinle USD 24 Administration Center
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CityChinle
ZIP Code86503
AddressPO Box 587
OrganizationChinle Unified School District #24
Phone9286749701

Population & Service

Population Served220
Service Connections57

Drinking Water Violations (209)

This water system has 209 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
Aug 1, 2025 — Revised Total Coliform Rule RPT No No — — — Unaddressed — Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Dec 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 14, 2025 Revised Total Coliform Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Apr 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 9, 2024 Revised Total Coliform Rule
Jan 1, 2024 Dec 31, 2024 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Oct 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 27, 2023 Revised Total Coliform Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 1, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Sep 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 27, 2022 Revised Total Coliform Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2023 Consumer Confidence Rule
May 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 19, 2022 Revised Total Coliform Rule
Mar 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 27, 2022 Revised Total Coliform Rule
Dec 1, 2021 Dec 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2021 Revised Total Coliform Rule
Aug 1, 2021 Aug 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2021 Revised Total Coliform Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2023 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2023 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2023 Consumer Confidence Rule
Jun 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 21, 2021 Revised Total Coliform Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Jan 1, 2021 Dec 31, 2021 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2021 Nitrate Rule
Aug 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 16, 2020 Revised Total Coliform Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2023 Consumer Confidence Rule
Jul 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 16, 2020 Revised Total Coliform Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2023 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2023 Consumer Confidence Rule
Jun 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 6, 2020 Revised Total Coliform Rule
May 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 6, 2020 Revised Total Coliform Rule
Apr 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 6, 2020 Revised Total Coliform Rule
Mar 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved May 27, 2020 Revised Total Coliform Rule
Feb 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved May 27, 2020 Revised Total Coliform Rule
Jan 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 24, 2020 Revised Total Coliform Rule
Dec 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 24, 2020 Revised Total Coliform Rule
Nov 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 24, 2020 Revised 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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