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WALSH TOWN OF

Colorado — Community Water System — PWSID: CO0105900

System Information

PWSIDCO0105900
System NameWALSH TOWN OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityWALSH
ZIP Code81090
Address—
OrganizationPACKARD DAWSON, DONNA
Phone719-324-5411

Population & Service

Population Served650
Service Connections355

Drinking Water Violations (139)

This water system has 139 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, 2025 Sep 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Sep 30, 2025 Radionuclides and Revised Rad Rule
Jul 1, 2025 Sep 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Sep 30, 2025 Radionuclides and Revised Rad Rule
Jul 1, 2025 Sep 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Sep 30, 2025 Radionuclides and Revised Rad Rule
Jul 1, 2025 Sep 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Sep 30, 2025 Radionuclides and Revised Rad Rule
Apr 26, 2025 — Public Notice Other No No — — — Resolved Apr 28, 2025 Public Notice Rule and Revised PN Rule
Apr 26, 2025 — Public Notice Other No No — — — Resolved Apr 28, 2025 Public Notice Rule and Revised PN Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Archived Jun 30, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Archived Jun 30, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Archived Jun 30, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MCL Yes No 11 MG/L 10 mg/L 10 Archived Jun 30, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Apr 1, 2025 Jun 30, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Jun 30, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Jan 1, 2025 Mar 31, 2025 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Mar 31, 2025 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Dec 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2024 Dec 31, 2024 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Archived Dec 31, 2024 Radionuclides and Revised Rad Rule
Sep 15, 2024 — Public Notice Other No No — — — Resolved Sep 20, 2024 Public Notice Rule and Revised PN Rule
Sep 15, 2024 — Public Notice Other No No — — — Resolved Sep 20, 2024 Public Notice Rule and Revised PN Rule
Jul 1, 2024 Sep 30, 2024 Nitrate MCL Yes No 11.2 MG/L 10 mg/L 10 Resolved Sep 30, 2024 Nitrate Rule
Jul 1, 2024 Sep 30, 2024 Nitrate MCL Yes No 11.2 MG/L 10 mg/L 10 Resolved Sep 30, 2024 Nitrate Rule
Jul 1, 2024 Sep 30, 2024 Nitrate MCL Yes No 11.2 MG/L 10 mg/L 10 Resolved Sep 30, 2024 Nitrate Rule
Jul 1, 2024 Sep 30, 2024 Nitrate MCL Yes No 11.2 MG/L 10 mg/L 10 Resolved Sep 30, 2024 Nitrate Rule
Jul 1, 2024 Sep 30, 2024 Nitrate MCL Yes No 11.2 MG/L 10 mg/L 10 Resolved Sep 30, 2024 Nitrate Rule
Apr 1, 2024 Jun 30, 2024 Nitrate MCL Yes No 12.45 MG/L 10 mg/L 10 Resolved Jun 30, 2024 Nitrate Rule
Apr 1, 2024 Jun 30, 2024 Nitrate MCL Yes No 12.45 MG/L 10 mg/L 10 Resolved Jun 30, 2024 Nitrate Rule
Apr 1, 2024 Jun 30, 2024 Nitrate MCL Yes No 12.45 MG/L 10 mg/L 10 Resolved Jun 30, 2024 Nitrate Rule
Apr 1, 2024 Jun 30, 2024 Nitrate MCL Yes No 12.45 MG/L 10 mg/L 10 Resolved Jun 30, 2024 Nitrate Rule
Apr 1, 2024 Jun 30, 2024 Nitrate MCL Yes No 12.45 MG/L 10 mg/L 10 Resolved Jun 30, 2024 Nitrate Rule
Apr 21, 2023 — Revised Total Coliform Rule Other No No — — — Resolved May 10, 2023 Revised Total Coliform Rule
Apr 21, 2023 — Revised Total Coliform Rule Other No No — — — Resolved May 10, 2023 Revised Total Coliform Rule
Apr 21, 2023 — Revised Total Coliform Rule Other No No — — — Resolved May 10, 2023 Revised Total Coliform Rule
Oct 1, 2022 Dec 31, 2022 Nitrate MCL Yes No 10.8 MG/L 10 mg/L 10 Resolved Dec 31, 2022 Nitrate Rule
Oct 1, 2022 Dec 31, 2022 Nitrate MCL Yes No 10.8 MG/L 10 mg/L 10 Resolved Dec 31, 2022 Nitrate Rule
Oct 1, 2022 Dec 31, 2022 Nitrate MCL Yes No 10.8 MG/L 10 mg/L 10 Resolved Dec 31, 2022 Nitrate Rule
Oct 1, 2022 Dec 31, 2022 Nitrate MCL Yes No 10.8 MG/L 10 mg/L 10 Resolved Dec 31, 2022 Nitrate Rule
Oct 1, 2022 Dec 31, 2022 Nitrate MCL Yes No 10.8 MG/L 10 mg/L 10 Resolved Dec 31, 2022 Nitrate Rule
Apr 1, 2022 Jun 30, 2022 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2022 Radionuclides and Revised Rad Rule
Apr 1, 2022 Jun 30, 2022 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2022 Radionuclides and Revised Rad Rule
Apr 1, 2022 Jun 30, 2022 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2022 Radionuclides and Revised Rad Rule
Apr 1, 2022 Jun 30, 2022 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2022 Radionuclides and Revised Rad Rule
Apr 1, 2022 Jun 30, 2022 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2022 Mar 31, 2022 Combined Radium (-226 and -228) MCL Yes No 6.45 PCI/L 5 pCi/L 5 Resolved Mar 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2022 Mar 31, 2022 Combined Radium (-226 and -228) MCL Yes No 6.45 PCI/L 5 pCi/L 5 Resolved Mar 31, 2022 Radionuclides and Revised Rad Rule
Jan 1, 2022 Mar 31, 2022 Combined Radium (-226 and -228) MCL Yes No 6.45 PCI/L 5 pCi/L 5 Resolved Mar 31, 2022 Radionuclides and Revised Rad 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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