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Rocky Ridge Boarding School BIA

Arizona — Community Water System — PWSID: NN0433015

System Information

PWSIDNN0433015
System NameRocky Ridge 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
CityKykotsmovi
ZIP Code86039
AddressPO Box 299
OrganizationBIA Rocky Ridge Boarding School
Phone9287253650

Population & Service

Population Served250
Service Connections20

Drinking Water Violations (161)

This water system has 161 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, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 20, 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 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN 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
Oct 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 17, 2022 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 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
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
May 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 19, 2020 Revised Total Coliform Rule
Apr 1, 2020 Apr 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2020 Revised Total Coliform Rule
Oct 1, 2016 Oct 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2016 Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Unaddressed — Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Unaddressed — Revised Total Coliform Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
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
Jan 1, 2010 Dec 31, 2010 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2010 Nitrate Rule
Jan 1, 2010 Dec 31, 2010 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2010 Nitrate Rule
Jan 1, 2008 Dec 31, 2010 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 2010 Inorganic Chemicals
Feb 1, 2006 Feb 28, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2006 Total Coliform Rule
Jan 1, 2005 Dec 31, 2010 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Dec 31, 2010 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2004 Aldicarb MR No No — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Diquat MR No No — 0.02 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,2,4-Trichlorobenzene MR No No — 0.07 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Pentachlorophenol MR No No — 0.001 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Glyphosate MR No No — 0.7 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Glyphosate MR No No — 0.7 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 OXAMYL MR No No — 0.2 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 OXAMYL MR No No — 0.2 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Dinoseb MR No No — 0.007 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Dinoseb MR No No — 0.007 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Aldicarb MR No No — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals

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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