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TOWAOC WATER SYSTEM

Colorado — Community Water System — PWSID: 080890010

System Information

PWSID080890010
System NameTOWAOC WATER SYSTEM
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeNative American
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 4, 1980
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityTOWOAC
ZIP Code81334
AddressUte Mountain Tribe
OrganizationTRABAUDO, LAWRENCE E.
Phone970-564-5490

Population & Service

Population Served2,020
Service Connections670

Drinking Water Violations (59)

This water system has 59 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 Mar 31, 2025 TTHM MCL Yes No .085 MG/L 0.080 mg/L .08 Archived Mar 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MCL Yes No .082 MG/L 0.080 mg/L .08 Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2023 Dec 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2023 Surface Water Treatment Rule
Dec 1, 2023 Dec 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2023 Surface Water Treatment Rule
Oct 1, 2023 — Consumer Confidence Rule Other No No — — — Unaddressed — Consumer Confidence Rule
Jul 11, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 27, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Feb 1, 2023 Feb 28, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2023 Revised Total Coliform Rule
Feb 1, 2023 Feb 28, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2023 Surface Water Treatment Rule
Dec 1, 2022 Dec 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2022 Surface Water Treatment Rule
Nov 1, 2022 Jan 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2022 Jan 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Oct 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Oct 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Dec 12, 2022 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Dec 12, 2022 Consumer Confidence Rule
Oct 11, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 28, 2021 Revised Total Coliform Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Nov 1, 2019 Jan 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Jan 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2019 Jan 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jan 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2019 Apr 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Feb 4, 2019 Consumer Confidence Rule
Oct 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Feb 4, 2019 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved May 31, 2019 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved May 31, 2019 Consumer Confidence Rule
Jun 1, 2018 Jun 30, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2018 Revised Total Coliform Rule
Feb 1, 2018 Apr 30, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2018 Apr 30, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2017 Apr 30, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2017 Apr 30, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2012 Jan 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2012 Total Coliform Rule
Jan 1, 2011 Dec 31, 2013 Asbestos MR No Yes — 7 MFL — Resolved Dec 31, 2013 Inorganic Chemicals
Jul 1, 2010 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No No — — — Resolved May 13, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Sep 24, 2008 Consumer Confidence Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Sep 5, 2007 Lead and Copper Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Sep 5, 2007 Lead and Copper Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Sep 5, 2007 Lead and Copper Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2003 Jul 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2003 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jan 1, 2002 Dec 31, 2004 Asbestos MR No No — 7 MFL — Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Asbestos MR No No — 7 MFL — Resolved Dec 31, 2004 Inorganic Chemicals
Jan 1, 2002 Dec 31, 2004 Asbestos MR No No — 7 MFL — Resolved Dec 31, 2004 Inorganic 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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