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GYPSUM TOWN OF

Colorado — Community Water System — PWSID: CO0119329

System Information

PWSIDCO0119329
System NameGYPSUM 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
CityGYPSUM
ZIP Code81637
Address—
OrganizationHOFFMAN, MICHAEL
Phone970-904-0526

Population & Service

Population Served15,272
Service Connections2,933

Drinking Water Violations (146)

This water system has 146 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
Aug 1, 2021 Aug 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Aug 26, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Aug 26, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Aug 26, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2021 Sep 30, 2021 CARBON, TOTAL MR No Yes — TT — Resolved Sep 20, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 CARBON, TOTAL MR No Yes — TT — Resolved Sep 20, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 CARBON, TOTAL MR No Yes — TT — Resolved Sep 20, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Jul 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jul 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2021 Jul 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jul 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2021 Jul 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jul 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2014 Dec 31, 2014 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2014 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2014 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Inorganic Chemicals
Mar 1, 2011 Mar 31, 2011 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2011 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2011 Mar 31, 2011 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2011 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2011 Mar 31, 2011 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2011 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2011 Mar 31, 2011 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2011 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2008 Dec 31, 2008 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2008 Volatile Organic Chemicals
Jan 1, 2008 Dec 31, 2008 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2008 Volatile 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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