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JOHNSTOWN TOWN OF

Colorado — Community Water System — PWSID: CO0162418

System Information

PWSIDCO0162418
System NameJOHNSTOWN 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
CityJOHNSTOWN
ZIP Code80534
Address450 S PARISH AVE
OrganizationLECERF, MATT
Phone970-587-4664

Population & Service

Population Served24,725
Service Connections6,990

Drinking Water Violations (267)

This water system has 267 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, 2023 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2023 Consumer Confidence Rule
Aug 1, 2022 Aug 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2022 Surface Water Treatment Rule
Aug 1, 2022 Aug 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2022 Surface Water Treatment Rule
Aug 1, 2022 Aug 31, 2022 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2022 Surface Water Treatment Rule
Jul 1, 2021 Jul 31, 2021 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2021 Surface Water Treatment Rule
Jul 1, 2021 Jul 31, 2021 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2021 Surface Water Treatment Rule
Jul 1, 2021 Jul 31, 2021 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2021 Surface Water Treatment Rule
Jul 1, 2021 Jul 31, 2021 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 2021 Surface Water Treatment Rule
Jun 1, 2021 Jun 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2021 Surface Water Treatment Rule
Jun 1, 2021 Jun 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2021 Jun 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2021 Surface Water Treatment Rule
Jun 1, 2021 Jun 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2021 Surface Water Treatment Rule
Jun 1, 2021 Jun 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2021 Jun 30, 2021 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2021 Jun 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2021 Jun 30, 2021 TTHM MR No Yes — 0.080 mg/L — Resolved Jun 30, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Oct 31, 2020 Long Term 2 Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2020 Long Term 2 Enhanced Surface Water Treatment Rule
Oct 1, 2020 Oct 31, 2020 Long Term 2 Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2020 Long Term 2 Enhanced Surface Water Treatment Rule
Oct 1, 2020 Oct 31, 2020 Long Term 2 Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2020 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2020 Sep 30, 2020 CARBON, TOTAL TT Yes No — TT — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 CARBON, TOTAL TT Yes No — TT — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 CARBON, TOTAL TT Yes No — TT — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 CARBON, TOTAL TT Yes No — TT — Resolved Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
May 1, 2020 May 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Surface Water Treatment Rule
May 1, 2020 May 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Surface Water Treatment Rule
May 1, 2020 May 31, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2020 May 31, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2020 May 31, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2020 May 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Surface Water Treatment Rule
Jan 6, 2019 — Public Notice Other No No — — — Resolved Jan 8, 2019 Public Notice Rule and Revised PN Rule
Jan 6, 2019 — Public Notice Other No No — — — Resolved Jan 8, 2019 Public Notice Rule and Revised PN Rule
Jan 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Jan 16, 2019 Lead and Copper Rule
Jan 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Jan 16, 2019 Lead and Copper Rule
Jan 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Jan 16, 2019 Lead and Copper Rule
Dec 6, 2018 — Revised Total Coliform Rule Other No No — — — Resolved Apr 2, 2019 Revised Total Coliform Rule
Dec 6, 2018 — Revised Total Coliform Rule Other No No — — — Resolved Apr 2, 2019 Revised Total Coliform Rule
Dec 6, 2018 — Revised Total Coliform Rule Other No No — — — Resolved Apr 2, 2019 Revised Total Coliform Rule
Dec 6, 2018 — Revised Total Coliform Rule Other No No — — — Resolved Apr 2, 2019 Revised Total Coliform Rule
Oct 1, 2018 Oct 31, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2018 Oct 31, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2018 Oct 31, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Oct 31, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2018 Sep 30, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2018 Sep 30, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2018 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2018 Sep 30, 2018 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Sep 30, 2018 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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