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WALDEN TOWN OF

Colorado — Community Water System — PWSID: CO0129834

System Information

PWSIDCO0129834
System NameWALDEN 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
CityWALDEN
ZIP Code80480
Address—
OrganizationRUSSELL, MARK
Phone970-723-4344

Population & Service

Population Served569
Service Connections602

Drinking Water Violations (39)

This water system has 39 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
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Jul 16, 2025 Consumer Confidence Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Jul 16, 2025 Consumer Confidence Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Jul 16, 2025 Consumer Confidence Rule
Apr 1, 2024 Jun 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Jun 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 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
Oct 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
Oct 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
Oct 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
May 1, 2022 May 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2022 Surface Water Treatment Rule
May 1, 2022 May 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2022 Surface Water Treatment Rule
May 1, 2022 May 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2022 Surface Water Treatment Rule
May 1, 2022 May 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2022 May 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2022 May 31, 2022 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2022 Mar 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2007 Apr 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2007 Total Coliform Rule
Apr 1, 2007 Apr 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2007 Total Coliform Rule
Apr 1, 2007 Apr 30, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2007 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2002 Surface Water Treatment Rule
Jul 1, 2002 Jul 31, 2002 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2002 Surface Water Treatment Rule
Jul 1, 2002 Jul 31, 2002 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2002 Surface Water Treatment Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Mar 1, 1996 Mar 31, 1996 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 1996 Surface Water Treatment Rule
Mar 1, 1996 Mar 31, 1996 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 1996 Surface Water Treatment Rule
Mar 1, 1996 Mar 31, 1996 Surface Water Treatment Rule MR No Yes — — — Resolved Mar 31, 1996 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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