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Tonalea (Red Lake) Day School BIA

Arizona — Community Water System — PWSID: NN0433013

System Information

PWSIDNN0433013
System NameTonalea (Red Lake) Day 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
CityTonalea
ZIP Code86044
AddressPO Box 39
OrganizationBIA Tonalea Day School
Phone9282836325

Population & Service

Population Served300
Service Connections15

Drinking Water Violations (102)

This water system has 102 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
Feb 1, 2025 Feb 28, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2025 Revised Total Coliform Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 31, 2025 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 31, 2025 Consumer Confidence Rule
Jan 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 20, 2024 Revised Total Coliform Rule
Oct 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 30, 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 Feb 8, 2018 Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Feb 8, 2018 Revised Total Coliform Rule
Apr 1, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Feb 8, 2018 Revised Total Coliform Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 8, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 8, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Feb 8, 2018 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 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Dec 31, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2008 Jun 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 3, 2008 Total Coliform Rule
Jun 1, 2008 Jun 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 3, 2008 Total Coliform Rule
Jun 1, 2008 Jun 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 3, 2008 Total Coliform Rule
Jan 1, 2008 Dec 31, 2010 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2010 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2010 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2010 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 2,3,7,8-TCDD MR No Yes — 0.00000003 mg/L — Resolved Dec 31, 2010 Synthetic Organic Chemicals
Jan 1, 2008 Dec 31, 2010 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2010 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2010 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Dec 1, 2006 Dec 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2006 Total Coliform Rule
Jan 1, 2004 Dec 31, 2004 2,4,5-TP MR No No — 0.05 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 — Lead and Copper Rule MR No No — TT — Resolved Dec 28, 2005 Lead and Copper Rule
Jan 1, 2004 Dec 31, 2004 Styrene MR No No — 0.1 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,1-Dichloroethylene MR No No — 0.007 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Carbon tetrachloride MR No No — 0.005 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Simazine MR No No — 0.004 mg/L — Resolved Dec 31, 2004 Synthetic 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 ETHYLENE DIBROMIDE MR No No — 0.00005 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Heptachlor MR No No — 0.0004 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 2,4-D MR No No — 0.07 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 trans-1,2-Dichloroethylene MR No No — 0.1 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Aldicarb sulfoxide MR No No — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 cis-1,2-Dichloroethylene MR No No — 0.07 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 1,1,1-Trichloroethane MR No No — 0.2 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Ethylbenzene MR No No — 0.7 mg/L — Resolved Dec 31, 2004 Volatile Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Aldicarb MR No No — — — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Methoxychlor MR No No — 0.04 mg/L — Resolved Dec 31, 2004 Synthetic Organic Chemicals
Jan 1, 2004 Dec 31, 2004 Endrin MR No No — 0.002 mg/L — 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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