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Greasewood Springs Community Boarding School BIA

Arizona — Community Water System — PWSID: NN0436008

System Information

PWSIDNN0436008
System NameGreasewood Springs Community Boarding School BIA
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeFederal
EPA Region09
Serves SchoolYes
WholesalerNo
First ReportedFeb 2, 1984
Last ReportedDec 31, 2025

Location & Contact

StateArizona
CityGanado
ZIP Code86505-9706
AddressHC 58 Box 60
OrganizationBIA Greasewood Springs Community School
Phone9286543331

Population & Service

Population Served720
Service Connections81

Drinking Water Violations (215)

This water system has 215 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 — 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 12, 2025 Revised Total Coliform Rule
Mar 1, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Oct 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2024 Revised Total Coliform Rule
Oct 1, 2024 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2025 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2025 Consumer Confidence Rule
May 1, 2024 — E. COLI MR No Yes — — — Unaddressed — Ground Water Rule
May 1, 2024 — E. COLI MR No Yes — — — Unaddressed — Ground Water Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Jan 1, 2024 Dec 31, 2024 Barium MR No Yes — 2 mg/L — Archived Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Barium MR No Yes — 2 mg/L — Archived Dec 31, 2024 Inorganic Chemicals
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Archived Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Archived Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrite MR No Yes — 1 mg/L — Archived Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrite MR No Yes — 1 mg/L — Archived Dec 31, 2024 Nitrate Rule
Oct 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 30, 2023 Revised Total Coliform Rule
Aug 1, 2023 Aug 31, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2023 Revised Total Coliform Rule
Oct 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 17, 2022 Revised Total Coliform Rule
May 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 19, 2020 Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Dec 5, 2017 Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Dec 5, 2017 Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Dec 5, 2017 Revised Total Coliform Rule
Jan 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Mar 31, 2014 Barium MR No Yes — 2 mg/L — Resolved Mar 31, 2014 Inorganic Chemicals
Oct 1, 2013 Dec 31, 2013 Barium MCL Yes No 3 MG/L 2 mg/L — Resolved Dec 31, 2013 Inorganic Chemicals
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Dec 5, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Public Notice Other No No — — — Resolved Aug 28, 2014 Public Notice Rule and Revised PN Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Dec 5, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Dec 5, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 Barium MCL Yes No 3 MG/L 2 mg/L — Resolved Sep 30, 2013 Inorganic Chemicals
Jul 1, 2013 Sep 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 16, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 16, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 Barium MCL Yes No 3 MG/L 2 mg/L — Resolved Jun 30, 2013 Inorganic Chemicals
Apr 1, 2013 Jun 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 Barium MCL Yes No 3 MG/L 2 mg/L — Resolved Jun 30, 2013 Inorganic Chemicals
Apr 1, 2013 Jun 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Jun 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Mar 31, 2013 Barium MCL Yes No 2.7 MG/L 2 mg/L — Resolved Mar 31, 2013 Inorganic Chemicals
Jan 1, 2013 Mar 31, 2013 Barium MCL Yes No 2.7 MG/L 2 mg/L — Resolved Mar 31, 2013 Inorganic Chemicals
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2012 Total Coliform Rule
Dec 1, 2012 Dec 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 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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