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RIDGWAY TOWN OF

Colorado — Community Water System — PWSID: CO0146676

System Information

PWSIDCO0146676
System NameRIDGWAY 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
CityRIDGWAY
ZIP Code81432
Address—
OrganizationNEILL, PRESTON
Phone970-318-0081

Population & Service

Population Served1,000
Service Connections690

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
Aug 1, 2025 Aug 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2025 Surface Water Treatment Rule
Aug 1, 2025 Aug 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2025 Surface Water Treatment Rule
Aug 1, 2025 Aug 31, 2025 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2025 Surface Water Treatment Rule
Aug 1, 2025 Aug 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2025 Aug 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2025 Aug 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2025 Jun 30, 2025 Lead and Copper Rule MR No No — TT — Archived Jun 30, 2025 Lead and Copper Rule
Jan 1, 2025 Jun 30, 2025 Lead and Copper Rule MR No No — TT — Archived Jun 30, 2025 Lead and Copper Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Jun 17, 2025 Lead and Copper Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Jun 17, 2025 Lead and Copper Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Resolved Jun 17, 2025 Lead and Copper Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2023 Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2023 Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2023 Surface Water Treatment Rule
Jul 1, 2023 Sep 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Sep 30, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2023 Jun 30, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 2, 2023 Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 2, 2023 Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 2, 2023 Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Jun 2, 2023 Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2023 Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2023 Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2023 Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2023 Surface Water Treatment Rule
Apr 1, 2023 Apr 30, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2023 Surface Water Treatment Rule
Apr 1, 2023 Apr 30, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2023 Surface Water Treatment Rule
Apr 1, 2023 Apr 30, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2023 Surface Water Treatment Rule
Apr 1, 2023 Apr 30, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 2023 Surface Water Treatment Rule
Mar 1, 2023 Mar 31, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2023 Surface Water Treatment Rule
Mar 1, 2023 Mar 31, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2023 Surface Water Treatment Rule
Mar 1, 2023 Mar 31, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2023 Surface Water Treatment Rule
Mar 1, 2023 Mar 31, 2023 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2023 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 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
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
Apr 1, 2021 Apr 30, 2021 Chlorite MR No Yes — 1.0 mg/L — Resolved Apr 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Apr 30, 2021 Chlorite MR No Yes — 1.0 mg/L — Resolved Apr 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Apr 30, 2021 Chlorite MR No Yes — 1.0 mg/L — Resolved Apr 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2019 Sep 30, 2019 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2019 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2019 Sep 30, 2019 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2019 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2019 Sep 30, 2019 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2019 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jul 1, 2019 Jul 31, 2019 Chlorite MR No Yes — 1.0 mg/L — Resolved Jul 31, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Jul 31, 2019 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2019 Interim and Long Term 1 Enhanced 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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