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COTOPAXI SCHOOL

Colorado — Non-Transient Non-Community — PWSID: CO0222230

System Information

PWSIDCO0222230
System NameCOTOPAXI SCHOOL
System TypeNon-Transient Non-Community
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolYes
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityCOTOPAXI
ZIP Code81223
Address—
OrganizationVAIL, TOM
Phone720-968-5239

Population & Service

Population Served294
Service Connections3

Drinking Water Violations (169)

This water system has 169 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, 2024 Mar 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2024 Mar 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2024 Mar 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2024 Mar 31, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2024 Feb 29, 2024 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 29, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Surface Water Treatment Rule
Sep 1, 2023 Sep 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2023 Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2023 Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2023 Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2023 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2023 Apr 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2023 Surface Water Treatment Rule
Apr 1, 2023 Apr 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2023 Surface Water Treatment Rule
Apr 1, 2023 Apr 30, 2023 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2023 Surface Water Treatment Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 23, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Jul 31, 2022 E. COLI MR No Yes — — — Resolved Jul 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2022 Jul 31, 2022 E. COLI MR No Yes — — — Resolved Jul 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2022 Jul 31, 2022 E. COLI MR No Yes — — — Resolved Jul 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Jun 1, 2022 Jun 30, 2022 E. COLI MR No Yes — — — Resolved Jun 30, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2022 May 31, 2022 E. COLI MR No Yes — — — Resolved May 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2022 May 31, 2022 E. COLI MR No Yes — — — Resolved May 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2022 May 31, 2022 E. COLI MR No Yes — — — Resolved May 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2022 Feb 28, 2022 E. COLI MR No Yes — — — Resolved Feb 28, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2022 Feb 28, 2022 E. COLI MR No Yes — — — Resolved Feb 28, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Feb 1, 2022 Feb 28, 2022 E. COLI MR No Yes — — — Resolved Feb 28, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2021 Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2021 Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2021 Aug 31, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2021 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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