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ANTELOPE HILLS ASSOC

Colorado — Community Water System — PWSID: CO0126117

System Information

PWSIDCO0126117
System NameANTELOPE HILLS ASSOC
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedJan 24, 1981
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityGUNNISON
ZIP Code81230
Address—
OrganizationDUFT, DAVID
Phone970-275-8395

Population & Service

Population Served265
Service Connections107

Drinking Water Violations (295)

This water system has 295 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 2, 2025 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Jul 2, 2025 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Unaddressed — Lead and Copper Rule Revisions
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 24, 2024 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 24, 2024 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jul 24, 2024 Consumer Confidence Rule
Oct 8, 2022 — Public Notice Other No No — — — Resolved Aug 23, 2023 Public Notice Rule and Revised PN Rule
Oct 8, 2022 — Public Notice Other No No — — — Resolved Aug 23, 2023 Public Notice Rule and Revised PN Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2023 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2023 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2023 Lead and Copper Rule
Jul 8, 2022 — Public Notice Other No No — — — Resolved Jul 27, 2022 Public Notice Rule and Revised PN Rule
Jul 8, 2022 — Public Notice Other No No — — — Resolved Jul 27, 2022 Public Notice Rule and Revised PN Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2023 Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2023 Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Sep 8, 2023 Lead and Copper Rule
Apr 1, 2021 Apr 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2021 Surface Water Treatment Rule
Apr 1, 2021 Apr 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2021 Surface Water Treatment Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved May 28, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved May 28, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Apr 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2021 Revised Total Coliform Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved May 28, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Apr 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2021 Surface Water Treatment Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 10, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 10, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 Oct 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2020 Surface Water Treatment Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 10, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Oct 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2020 Surface Water Treatment Rule
Oct 1, 2020 Oct 31, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2020 Revised Total Coliform Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jul 7, 2021 Lead and Copper Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jul 7, 2021 Lead and Copper Rule
Oct 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jul 7, 2021 Lead and Copper Rule
Oct 1, 2020 Oct 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2020 Surface Water Treatment Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Nov 16, 2020 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Nov 16, 2020 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Nov 16, 2020 Consumer Confidence Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Nov 15, 2019 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Nov 15, 2019 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Nov 15, 2019 Lead and Copper Rule
May 22, 2019 — Revised Total Coliform Rule Other No No — — — Resolved Sep 22, 2019 Revised Total Coliform Rule
May 22, 2019 — Revised Total Coliform Rule Other No No — — — Resolved Sep 22, 2019 Revised Total Coliform Rule
May 22, 2019 — Revised Total Coliform Rule Other No No — — — Resolved Sep 22, 2019 Revised Total Coliform Rule
May 22, 2019 — Revised Total Coliform Rule Other No No — — — Resolved Sep 22, 2019 Revised Total Coliform Rule
Jan 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Jan 7, 2020 Lead and Copper Rule
Jan 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Jan 7, 2020 Lead and Copper Rule
Jan 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Jan 7, 2020 Lead and Copper Rule
Aug 1, 2017 Aug 31, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2017 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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