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FRISCO TOWN OF

Colorado — Community Water System — PWSID: CO0159055

System Information

PWSIDCO0159055
System NameFRISCO 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
CityFRISCO
ZIP Code80443
Address—
OrganizationMCGINNIS, CHRIS
Phone970-668-4579

Population & Service

Population Served4,495
Service Connections2,126

Drinking Water Violations (780)

This water system has 780 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
Apr 1, 2025 Apr 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Apr 2, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Apr 2, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Apr 1, 2025 Apr 30, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Apr 2, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2025 Mar 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Mar 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2025 Feb 28, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 28, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2025 Feb 28, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 28, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2025 Feb 28, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Feb 28, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 6, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jan 1, 2025 Jan 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2025 Jan 31, 2025 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Jan 31, 2025 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Dec 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Dec 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Dec 1, 2024 Dec 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Dec 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Nov 1, 2024 Nov 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Nov 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2024 Oct 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Oct 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2024 Sep 30, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Sep 30, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2024 Aug 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Aug 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2024 Aug 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Aug 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2024 Aug 31, 2024 Interim Enhanced Surface Water Treatment Rule MR No No — — — Resolved Aug 31, 2024 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 30, 2021 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 31, 2022 Lead and Copper Rule
Aug 30, 2021 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 31, 2022 Lead and Copper Rule
Aug 30, 2021 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 31, 2022 Lead and Copper Rule
Aug 30, 2021 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 31, 2022 Lead and Copper Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 11, 2022 Lead and Copper Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 11, 2022 Lead and Copper Rule
Jul 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Aug 11, 2022 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 Apr 30, 2021 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2021 Surface Water Treatment Rule
Jan 1, 2021 Jun 30, 2021 Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Jan 1, 2021 Jun 30, 2021 Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Jan 1, 2021 Jun 30, 2021 Lead and Copper Rule MR No No — TT — Resolved Jun 30, 2021 Lead and Copper Rule
Jun 1, 2020 Jun 30, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2020 Jun 30, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jun 1, 2020 Jun 30, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2020 Surface Water Treatment Rule
Jun 1, 2020 Jun 30, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2020 Surface Water Treatment Rule
Jun 1, 2020 Jun 30, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2020 Surface Water Treatment Rule
Jun 1, 2020 Jun 30, 2020 Interim Enhanced Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2020 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 8, 2019 — E. COLI MR No Yes — — — Resolved Dec 31, 2020 Ground Water Rule
Feb 8, 2019 — E. COLI MR No Yes — — — Resolved Dec 31, 2020 Ground Water Rule
Feb 8, 2019 — E. COLI MR No Yes — — — Resolved Dec 31, 2020 Ground Water 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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