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MESA WSD

Colorado — Community Water System — PWSID: CO0139505

System Information

PWSIDCO0139505
System NameMESA WSD
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityMESA
ZIP Code81643
Address—
OrganizationBRIDGES, BOB
Phone970-261-2654

Population & Service

Population Served330
Service Connections86

Drinking Water Violations (93)

This water system has 93 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, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 2, 2017 — Long Term 2 Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jul 27, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 2, 2017 — Long Term 2 Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jul 27, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 2, 2017 — Long Term 2 Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jul 27, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Jan 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 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
Jan 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Dec 31, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 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
Jan 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
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Aug 26, 2008 Lead and Copper Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Aug 26, 2008 Lead and Copper Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Aug 26, 2008 Lead and Copper Rule
Sep 1, 2006 Sep 30, 2006 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2006 Surface Water Treatment Rule
Sep 1, 2006 Sep 30, 2006 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2006 Surface Water Treatment Rule
Sep 1, 2006 Sep 30, 2006 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2006 Surface Water Treatment Rule
Sep 1, 2006 Sep 30, 2006 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2006 Surface Water Treatment Rule
Oct 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Aug 26, 2008 Lead and Copper Rule
Oct 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Aug 26, 2008 Lead and Copper Rule
Oct 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Aug 26, 2008 Lead and Copper Rule
Nov 1, 2003 Nov 30, 2003 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2003 Surface Water Treatment Rule
Nov 1, 2003 Nov 30, 2003 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2003 Surface Water Treatment Rule
Nov 1, 2003 Nov 30, 2003 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2003 Surface Water Treatment Rule
Nov 1, 2003 Nov 30, 2003 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2003 Surface Water Treatment Rule
Nov 1, 2003 Nov 30, 2003 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2003 Surface Water Treatment Rule
Jan 1, 2003 — Lead and Copper Rule MR No No — TT — Resolved Aug 26, 2008 Lead and Copper Rule
Oct 1, 2002 Oct 31, 2002 Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2002 Surface Water Treatment Rule
Oct 1, 2002 Oct 31, 2002 Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2002 Surface Water Treatment Rule
Oct 1, 2002 Oct 31, 2002 Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2002 Surface Water Treatment Rule
Oct 1, 2002 Oct 31, 2002 Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2002 Surface Water Treatment Rule
Jan 1, 2002 — Lead and Copper Rule MR No No — TT — Resolved Aug 26, 2008 Lead and Copper Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Jun 1, 2001 Jun 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2001 Surface Water Treatment Rule
Jun 1, 2001 Jun 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2001 Surface Water Treatment Rule
Jun 1, 2001 Jun 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2001 Surface Water Treatment Rule
Jun 1, 2001 Jun 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2001 Surface Water Treatment Rule
May 1, 2001 May 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2001 Surface Water Treatment Rule
May 1, 2001 May 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2001 Surface Water Treatment Rule
May 1, 2001 May 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2001 Surface Water Treatment Rule
May 1, 2001 May 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2001 Surface Water Treatment Rule
Apr 1, 2001 Apr 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2001 Surface Water Treatment Rule
Apr 1, 2001 Apr 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2001 Surface Water Treatment Rule
Apr 1, 2001 Apr 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2001 Surface Water Treatment 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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