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ASPEN CITY OF

Colorado — Community Water System — PWSID: CO0149122

System Information

PWSIDCO0149122
System NameASPEN CITY 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
CityASPEN
ZIP Code81611
Address427 RIO GRANDE PL
OrganizationLOEBACH, RYAN
Phone970-920-5110

Population & Service

Population Served31,100
Service Connections3,875

Drinking Water Violations (215)

This water system has 215 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
Mar 1, 2025 Mar 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2025 Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2025 Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2025 Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Mar 1, 2025 Mar 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Mar 31, 2025 Revised Total Coliform Rule
Jan 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Mar 31, 2025 CARBON, TOTAL MR No Yes — TT — Resolved Mar 31, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2023 Feb 28, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2023 Surface Water Treatment Rule
Feb 1, 2023 Feb 28, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2023 Surface Water Treatment Rule
Feb 1, 2023 Feb 28, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Feb 28, 2023 Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2022 Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2022 Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2022 Surface Water Treatment Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Oct 11, 2021 Lead and Copper Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Oct 11, 2021 Lead and Copper Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Oct 11, 2021 Lead and Copper Rule
Nov 1, 2018 Nov 30, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2018 Nov 30, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2018 Surface Water Treatment Rule
Nov 1, 2018 Nov 30, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2018 Surface Water Treatment Rule
Nov 1, 2018 Nov 30, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2018 Surface Water Treatment Rule
Nov 1, 2018 Nov 30, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2018 Nov 30, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2018 Mar 31, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2018 Surface Water Treatment Rule
Mar 1, 2018 Mar 31, 2018 Revised Total Coliform Rule MON No No — — — Resolved Mar 31, 2018 Revised Total Coliform Rule
Mar 1, 2018 Mar 31, 2018 Revised Total Coliform Rule MON No No — — — Resolved Mar 31, 2018 Revised Total Coliform Rule
Mar 1, 2018 Mar 31, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2018 Surface Water Treatment Rule
Mar 1, 2018 Mar 31, 2018 Revised Total Coliform Rule MON No No — — — Resolved Mar 31, 2018 Revised Total Coliform Rule
Mar 1, 2018 Mar 31, 2018 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 2018 Surface Water Treatment Rule
Apr 1, 2013 Jun 30, 2013 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2013 Nitrate Rule
Apr 1, 2013 Jun 30, 2013 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2013 Nitrate Rule
Apr 1, 2013 Jun 30, 2013 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2013 Nitrate Rule
Jul 1, 2011 Sep 30, 2011 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2011 Nitrate Rule
Jul 1, 2011 Sep 30, 2011 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2011 Nitrate Rule
Jul 1, 2011 Sep 30, 2011 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2011 Nitrate Rule
Jan 1, 2010 Dec 31, 2010 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2010 Dec 31, 2010 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2010 Dec 31, 2010 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2010 Dec 31, 2010 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2010 Dec 31, 2010 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2010 Dec 31, 2010 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2010 Dec 31, 2010 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 Volatile Organic Chemicals
Jan 1, 2010 Dec 31, 2010 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2010 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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