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STERLING CITY OF

Colorado — Community Water System — PWSID: CO0138045

System Information

PWSIDCO0138045
System NameSTERLING CITY OF
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CitySTERLING
ZIP Code80751
Address—
OrganizationGOOD, GEORGE
Phone970-522-9700

Population & Service

Population Served15,100
Service Connections4,655

Drinking Water Violations (279)

This water system has 279 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, 2023 Aug 31, 2023 E. COLI MR No Yes — — — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Turbidity MR No Yes — TT — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Turbidity MR No Yes — TT — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Turbidity MR No Yes — TT — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Cryptosporidium MR No Yes — — — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 E. COLI MR No Yes — — — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 E. COLI MR No Yes — — — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Cryptosporidium MR No Yes — — — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 1, 2023 Aug 31, 2023 Cryptosporidium MR No Yes — — — Resolved Aug 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2023 Jul 31, 2023 Turbidity MR No Yes — TT — Resolved Jul 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2023 Jul 31, 2023 Turbidity MR No Yes — TT — Resolved Jul 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2023 Jul 31, 2023 Turbidity MR No Yes — TT — Resolved Jul 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Cryptosporidium MR No Yes — — — Resolved Jun 30, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Cryptosporidium MR No Yes — — — Resolved Jun 30, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Jun 1, 2023 Jun 30, 2023 Cryptosporidium MR No Yes — — — Resolved Jun 30, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Cryptosporidium MR No Yes — — — Resolved May 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Cryptosporidium MR No Yes — — — Resolved May 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
May 1, 2023 May 31, 2023 Cryptosporidium MR No Yes — — — Resolved May 31, 2023 Long Term 2 Enhanced Surface Water Treatment Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Nov 10, 2022 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Nov 10, 2022 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Nov 10, 2022 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2022 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2022 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Oct 18, 2022 Lead and Copper Rule
Apr 5, 2021 — Public Notice Other No No — — — Resolved Apr 23, 2021 Public Notice Rule and Revised PN Rule
Apr 5, 2021 — Public Notice Other No No — — — Resolved Apr 23, 2021 Public Notice Rule and Revised PN Rule
Jan 5, 2021 — Public Notice Other No No — — — Resolved Jan 18, 2021 Public Notice Rule and Revised PN Rule
Jan 5, 2021 — Public Notice Other No No — — — Resolved Jan 18, 2021 Public Notice Rule and Revised PN Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Nov 1, 2020 Nov 30, 2020 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2020 Surface Water Treatment Rule
Nov 1, 2020 Nov 30, 2020 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2020 Surface Water Treatment Rule
Nov 1, 2020 Nov 30, 2020 Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2020 Surface Water Treatment Rule
Nov 1, 2020 Nov 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Nov 30, 2020 Revised Total Coliform Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Oct 15, 2020 Lead and Copper Rule
Jul 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Oct 15, 2020 Lead and Copper Rule
Jul 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Oct 15, 2020 Lead and Copper Rule
Mar 3, 2019 — Public Notice Other No No — — — Resolved May 28, 2019 Public Notice Rule and Revised PN Rule
Mar 3, 2019 — Public Notice Other No No — — — Resolved May 28, 2019 Public Notice Rule and Revised PN Rule
Sep 1, 2018 Sep 30, 2018 E. COLI MR No Yes — — — Resolved Sep 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Sep 1, 2018 Sep 30, 2018 E. COLI MR No Yes — — — Resolved Sep 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Sep 1, 2018 Sep 30, 2018 E. COLI MR No Yes — — — Resolved Sep 30, 2018 Long Term 2 Enhanced Surface Water Treatment Rule
Jul 1, 2013 Sep 30, 2013 TTHM MCL Yes No .123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 TTHM MCL Yes No .123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 TTHM MCL Yes No .123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 TTHM MCL Yes No .123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Sep 30, 2013 TTHM MCL Yes No .123 MG/L 0.080 mg/L .08 Resolved Sep 30, 2013 Stage 1 Disinfectants and Disinfection Byproducts 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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