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Chinle High School

Arizona — Non-Transient Non-Community — PWSID: NN0403062

System Information

PWSIDNN0403062
System NameChinle High School
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolYes
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CityChinle
ZIP Code86503
AddressChinle Unified School District #24
OrganizationChinle Unified School District #24
Phone9286749701

Population & Service

Population Served975
Service Connections8

Drinking Water Violations (245)

This water system has 245 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
Apr 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 9, 2024 Revised Total Coliform 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
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
Oct 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 27, 2023 Revised Total Coliform Rule
Jul 1, 2023 Jul 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2023 Revised Total Coliform Rule
Jul 1, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN 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
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 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 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
Aug 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 16, 2020 Revised Total Coliform Rule
Jul 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 16, 2020 Revised Total Coliform 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
Oct 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 24, 2020 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2019 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2019 Revised Total Coliform Rule
Sep 1, 2019 Sep 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2019 Revised Total Coliform Rule
Aug 1, 2019 — E. COLI MR No Yes — — — Resolved Sep 3, 2019 Ground Water Rule
Aug 1, 2019 — E. COLI MR No Yes — — — Resolved Sep 3, 2019 Ground Water Rule
Jul 1, 2019 Jul 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2019 Revised Total Coliform Rule
Jul 1, 2019 Jul 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2019 Revised Total Coliform Rule
Jul 1, 2019 Jul 31, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2019 Revised Total Coliform Rule
Mar 1, 2019 — Public Notice Other No No — — — Resolved Mar 23, 2023 Public Notice Rule and Revised PN Rule
Mar 1, 2019 — Public Notice Other No No — — — Resolved Mar 23, 2023 Public Notice Rule and Revised PN 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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