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XCEL ENERGY COMANCHE PLANT

Colorado — Non-Transient Non-Community — PWSID: CO0251700

System Information

PWSIDCO0251700
System NameXCEL ENERGY COMANCHE PLANT
System TypeNon-Transient Non-Community
Water SourceSurface Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityDENVER
ZIP Code80202
Address1800 LARIMER ST STE 1300
OrganizationLAUER, MCKINSEY
Phone303-285-6631

Population & Service

Population Served272
Service Connections11

Drinking Water Violations (188)

This water system has 188 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
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Oct 2, 2025 Lead and Copper Rule
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Oct 2, 2025 Lead and Copper Rule
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Oct 2, 2025 Lead and Copper Rule
Oct 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Oct 2, 2025 Lead and Copper Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 Dec 31, 2024 TTHM MCL Yes No .081 MG/L 0.080 mg/L .08 Resolved Dec 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2024 Aug 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2024 Aug 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2024 Aug 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2023 Jan 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2023 Jan 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2023 Jan 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2023 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
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
Aug 1, 2020 Aug 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2020 Aug 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2020 Aug 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2020 Aug 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 E. COLI MR No Yes — — — Resolved Oct 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 E. COLI MR No Yes — — — Resolved Oct 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Oct 1, 2017 Oct 31, 2017 E. COLI MR No Yes — — — Resolved Oct 31, 2017 Long Term 2 Enhanced Surface Water Treatment Rule
Sep 1, 2016 Sep 30, 2016 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2016 Surface Water Treatment Rule
Sep 1, 2016 Sep 30, 2016 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2016 Surface Water Treatment Rule
Sep 1, 2016 Sep 30, 2016 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2016 Surface Water Treatment Rule
Sep 1, 2016 Sep 30, 2016 Surface Water Treatment Rule TT Yes No — — — Resolved Sep 30, 2016 Surface Water Treatment Rule
Jun 1, 2015 Jun 30, 2015 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2015 Jun 30, 2015 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2015 Jun 30, 2015 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Jun 30, 2015 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2015 Dec 31, 2015 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2015 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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