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MANCOS TOWN OF

Colorado — Community Water System — PWSID: CO0142700

System Information

PWSIDCO0142700
System NameMANCOS TOWN OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityMANCOS
ZIP Code81328
Address—
OrganizationALVAREZ, HEATHER
Phone970-533-7727

Population & Service

Population Served1,390
Service Connections606

Drinking Water Violations (51)

This water system has 51 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, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 12, 2022 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 12, 2022 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jan 12, 2022 Lead and Copper Rule
Dec 1, 2021 Dec 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Surface Water Treatment Rule
Dec 1, 2021 Dec 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Surface Water Treatment Rule
Dec 1, 2021 Dec 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Surface Water Treatment Rule
Dec 1, 2021 Dec 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2021 Dec 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2021 Dec 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Dec 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2021 Sep 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2021 Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2021 Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2021 Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Jan 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2016 May 31, 2016 Surface Water Treatment Rule MR No No — — — Resolved May 31, 2016 Surface Water Treatment Rule
May 1, 2016 May 31, 2016 Surface Water Treatment Rule MR No No — — — Resolved May 31, 2016 Surface Water Treatment Rule
May 1, 2016 May 31, 2016 Surface Water Treatment Rule MR No No — — — Resolved May 31, 2016 Surface Water Treatment Rule
Jan 1, 2016 Mar 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2008 Jan 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2008 Jan 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2008 Jan 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Oct 12, 2006 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Oct 12, 2006 Consumer Confidence Rule
Oct 1, 2004 — Lead and Copper Rule MR No No — TT — Resolved Aug 6, 2009 Lead and Copper Rule
Oct 1, 2004 — Lead and Copper Rule MR No No — TT — Resolved Aug 6, 2009 Lead and Copper Rule
Oct 1, 2004 — Lead and Copper Rule MR No No — TT — Resolved Aug 6, 2009 Lead and Copper Rule
Sep 1, 2004 Sep 30, 2004 Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2004 Surface Water Treatment Rule
Sep 1, 2004 Sep 30, 2004 Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2004 Surface Water Treatment Rule
Sep 1, 2004 Sep 30, 2004 Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2004 Surface Water Treatment Rule
Jul 1, 1998 Jul 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 1998 Surface Water Treatment Rule
Jul 1, 1998 Jul 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 1998 Surface Water Treatment Rule
Jul 1, 1998 Jul 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 1998 Surface Water Treatment Rule
Jan 1, 1992 Dec 31, 1995 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 1995 Radionuclides and Revised Rad Rule
Jan 1, 1992 Dec 31, 1995 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 1995 Radionuclides and Revised Rad Rule
Jan 1, 1992 Dec 31, 1995 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 1995 Radionuclides and Revised Rad Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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