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Seba Dalkai Boarding School BIA

Arizona - Community Water System - PWSID: NN0436019

System Information

PWSIDNN0436019
System NameSeba Dalkai Boarding School BIA
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeFederal
EPA Region09
Serves SchoolYes
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedJun 23, 2026

Location & Contact

StateArizona
CityWinslow
ZIP Code86047
AddressHC 63 Box H
OrganizationBIA Seba Dalkai Boarding School, Inc
Phone9286573208

Population & Service

Population Served250
Service Connections20

Drinking Water Violations (220)

This water system has 220 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
Apr 1, 2025 Jun 30, 2025 MR No Yes - 4.0 mg/L - Archived Jun 30, 2025 -
Apr 1, 2025 - RPT No No - - - Unaddressed - -
Feb 1, 2025 Feb 28, 2025 MON No Yes - - - Resolved Feb 28, 2025 -
Jan 1, 2025 Mar 31, 2025 MR No Yes - 4.0 mg/L - Resolved Mar 5, 2025 -
Apr 1, 2024 Jun 30, 2024 MCL Yes No .0871 MG/L 0.080 mg/L - Resolved Jun 30, 2024 -
Apr 1, 2024 Jun 30, 2024 MCL Yes No .0871 MG/L 0.080 mg/L - Resolved Jun 30, 2024 -
Apr 1, 2024 - Other No No - - - Unaddressed - -
Jan 1, 2024 Mar 31, 2024 MCL Yes No .08708 MG/L 0.080 mg/L - Resolved Mar 31, 2024 -
Jan 1, 2024 - Other No No - - - Unaddressed - -
Jan 1, 2024 Mar 31, 2024 MCL Yes No .08708 MG/L 0.080 mg/L - Resolved Mar 31, 2024 -
Oct 1, 2023 - Other No No - - - Unaddressed - -
Oct 1, 2023 Dec 31, 2023 MCL Yes No .1185 MG/L 0.080 mg/L - Resolved Dec 31, 2023 -
Oct 1, 2023 Dec 31, 2023 MCL Yes No .1185 MG/L 0.080 mg/L - Resolved Dec 31, 2023 -
Oct 1, 2023 - RPT No No - - - Resolved Nov 30, 2023 -
Jul 1, 2023 Sep 30, 2023 MCL Yes No .1548 MG/L 0.080 mg/L - Resolved Sep 30, 2023 -
Jul 1, 2023 Sep 30, 2023 MCL Yes No .1548 MG/L 0.080 mg/L - Resolved Sep 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MCL Yes No .1593 MG/L 0.080 mg/L - Resolved Jun 30, 2023 -
Apr 1, 2023 Jun 30, 2023 MCL Yes No .1593 MG/L 0.080 mg/L - Resolved Jun 30, 2023 -
Jan 1, 2023 - Other No No - - - Resolved Mar 30, 2023 -
Jan 1, 2023 - Other No No - - - Resolved Mar 30, 2023 -
Jan 1, 2023 Mar 31, 2023 MCL Yes No .1685 MG/L 0.080 mg/L - Resolved Mar 31, 2023 -
Jan 1, 2023 Mar 31, 2023 MCL Yes No .1685 MG/L 0.080 mg/L - Resolved Mar 31, 2023 -
Oct 1, 2022 Dec 31, 2022 MCL Yes No .1808 MG/L 0.080 mg/L - Resolved Dec 31, 2022 -
Oct 1, 2022 Dec 31, 2022 MCL Yes No .1808 MG/L 0.080 mg/L - Resolved Dec 31, 2022 -
Oct 1, 2022 - Other No No - - - Resolved Oct 1, 2022 -
Oct 1, 2022 - RPT No No - - - Resolved Nov 17, 2022 -
Jul 1, 2022 Sep 30, 2022 MCL Yes No .1567 MG/L 0.080 mg/L - Resolved Sep 30, 2022 -
Jul 1, 2022 Sep 30, 2022 MCL Yes No .1567 MG/L 0.080 mg/L - Resolved Sep 30, 2022 -
Jul 1, 2022 - Other No No - - - Resolved Oct 20, 2022 -
Apr 1, 2022 Jun 30, 2022 MR No Yes - 0.060 mg/L - Resolved May 31, 2022 -
Apr 1, 2022 Jun 30, 2022 MR No Yes - 0.060 mg/L - Resolved May 31, 2022 -
Apr 1, 2022 Jun 30, 2022 MCL Yes No .0998 MG/L 0.080 mg/L - Resolved Jun 30, 2022 -
Apr 1, 2022 Jun 30, 2022 MCL Yes No .0998 MG/L 0.080 mg/L - Resolved Jun 30, 2022 -
Apr 1, 2022 Jun 30, 2022 MR No Yes - 0.080 mg/L - Resolved May 31, 2022 -
Apr 1, 2022 Jun 30, 2022 MR No Yes - 0.080 mg/L - Resolved May 31, 2022 -
Jan 1, 2022 Mar 31, 2022 MCL Yes No .0998 MG/L 0.080 mg/L - Resolved Mar 31, 2022 -
Jan 1, 2022 Mar 31, 2022 MCL Yes No .0998 MG/L 0.080 mg/L - Resolved Mar 31, 2022 -
Oct 1, 2021 Dec 31, 2021 MCL Yes No .0883 MG/L 0.080 mg/L - Resolved Dec 31, 2021 -
Oct 1, 2021 - Other No No - - - Resolved Nov 4, 2021 -
Oct 1, 2021 Dec 31, 2021 MCL Yes No .0883 MG/L 0.080 mg/L - Resolved Dec 31, 2021 -
Jul 1, 2021 Sep 30, 2021 MCL Yes No .0992 MG/L 0.080 mg/L - Resolved Sep 30, 2021 -
Jul 1, 2021 Sep 30, 2021 MCL Yes No .0992 MG/L 0.080 mg/L - Resolved Sep 30, 2021 -
Apr 1, 2021 Jun 30, 2021 MCL Yes No .0924 MG/L 0.080 mg/L - Resolved Jun 30, 2021 -
Apr 1, 2021 Jun 30, 2021 MCL Yes No .0924 MG/L 0.080 mg/L - Resolved Jun 30, 2021 -
Apr 1, 2021 - Other No No - - - Resolved Apr 15, 2021 -
Jan 1, 2021 Jan 31, 2021 MON No Yes - - - Resolved Jan 31, 2021 -
Jan 1, 2021 Mar 31, 2021 MCL Yes No .1218 MG/L 0.080 mg/L - Resolved Mar 31, 2021 -
Jan 1, 2021 Mar 31, 2021 MCL Yes No .1218 MG/L 0.080 mg/L - Resolved Mar 31, 2021 -
Oct 1, 2020 Dec 31, 2020 MCL Yes No .1082 MG/L 0.080 mg/L - Resolved Dec 31, 2020 -
Oct 1, 2020 Dec 31, 2020 MCL Yes No .1082 MG/L 0.080 mg/L - Resolved Dec 31, 2020 -

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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