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ORGAN PIPE NM HEADQUARTERS

Arizona — Community Water System — PWSID: AZ0410701

System Information

PWSIDAZ0410701
System NameORGAN PIPE NM HEADQUARTERS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeFederal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityAJO
ZIP Code85321-9626
Address—
OrganizationORGAN PIPE CACTUS NATL MONUMENT
Phone520-387-6849

Population & Service

Population Served755
Service Connections40

Drinking Water Violations (76)

This water system has 76 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
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Apr 25, 2025 Lead and Copper Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Apr 25, 2025 Lead and Copper 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 Apr 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Apr 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Mar 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2021 Jan 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2021 Jan 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2021 Jan 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2021 Jan 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Oct 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Oct 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Oct 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Oct 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Oct 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Oct 31, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Feb 16, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Feb 16, 2021 Lead and Copper Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 2, 2020 — Public Notice Other No No — — — Resolved Feb 27, 2020 Public Notice Rule and Revised PN Rule
Aug 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 17, 2018 Revised Total Coliform Rule
Jan 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jan 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jul 1, 2015 Jul 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2015 Total Coliform Rule
Jul 1, 2015 Jul 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2015 Total Coliform Rule
Apr 1, 2015 Apr 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2015 Total Coliform Rule
Apr 1, 2015 Apr 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Apr 1, 2013 Apr 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2013 Total Coliform Rule
Apr 1, 2013 Apr 30, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2013 Total Coliform Rule
Feb 1, 2012 Feb 29, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2012 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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