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KEENESBURG TOWN OF

Colorado — Community Water System — PWSID: CO0162438

System Information

PWSIDCO0162438
System NameKEENESBURG TOWN OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityKEENESBURG
ZIP Code80643
Address—
OrganizationGRAY, MARK
Phone303-437-4970

Population & Service

Population Served4,650
Service Connections865

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, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 18, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 18, 2021 Lead and Copper Rule
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 18, 2021 Lead and Copper Rule
Jul 7, 2019 — Public Notice Other No No — — — Resolved Nov 19, 2019 Public Notice Rule and Revised PN Rule
Jul 7, 2019 — Public Notice Other No No — — — Resolved Nov 19, 2019 Public Notice Rule and Revised PN Rule
Jul 7, 2019 — Public Notice Other No No — — — Resolved Nov 19, 2019 Public Notice Rule and Revised PN Rule
Apr 1, 2019 Jun 30, 2019 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2019 Jun 30, 2019 TTHM MCL Yes No .087 MG/L 0.080 mg/L .08 Resolved Jun 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .0854 MG/L 0.080 mg/L .08 Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .0854 MG/L 0.080 mg/L .08 Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .0854 MG/L 0.080 mg/L .08 Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2018 Sep 30, 2018 TTHM MCL Yes No .0854 MG/L 0.080 mg/L .08 Resolved Sep 30, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 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
Oct 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 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
Oct 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 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
Aug 5, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 5, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 5, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 5, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 Apr 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2008 Total Coliform Rule
Apr 1, 2008 Apr 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2008 Total Coliform Rule
Apr 1, 2008 Jun 30, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 Apr 30, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2008 Total Coliform Rule
Apr 1, 2008 Jun 30, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 Jun 30, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2008 Mar 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2008 Total Coliform Rule
Mar 1, 2008 Mar 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2008 Total Coliform Rule
Mar 1, 2008 Mar 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2008 Total Coliform Rule
Mar 1, 2008 Mar 31, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2008 Total Coliform Rule
Feb 1, 2008 Feb 29, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2008 Total Coliform Rule
Feb 1, 2008 Feb 29, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2008 Total Coliform Rule
Feb 1, 2008 Feb 29, 2008 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2008 Total Coliform Rule
Jan 1, 2008 Mar 31, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2008 Mar 31, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2008 Mar 31, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2007 Total Coliform Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2007 Total Coliform Rule
Nov 1, 2007 Nov 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2007 Total Coliform Rule
Mar 1, 2007 Mar 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2007 Total Coliform Rule
Mar 1, 2007 Mar 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2007 Total Coliform Rule
Mar 1, 2007 Mar 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2007 Total Coliform Rule
Jan 1, 2007 Mar 31, 2007 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2007 Mar 31, 2007 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2007 Mar 31, 2007 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
May 1, 2005 May 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2005 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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