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LYONS TOWN OF

Colorado — Community Water System — PWSID: CO0107496

System Information

PWSIDCO0107496
System NameLYONS TOWN OF
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityLYONS
ZIP Code80540
Address—
OrganizationSIMONSEN, VICTORIA
Phone303-823-6622

Population & Service

Population Served2,990
Service Connections962

Drinking Water Violations (114)

This water system has 114 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
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Aug 1, 2008 Aug 31, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2008 Total Coliform Rule
Aug 1, 2008 Aug 31, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2008 Total Coliform Rule
Aug 1, 2008 Aug 31, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2008 Total Coliform Rule
Aug 1, 2008 Aug 31, 2008 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2008 Total Coliform Rule
Oct 1, 2006 Oct 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2006 Total Coliform Rule
Oct 1, 2006 Oct 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2006 Total Coliform Rule
Oct 1, 2006 Oct 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2006 Total Coliform Rule
Nov 1, 2003 Nov 30, 2003 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2003 Surface Water Treatment Rule
Nov 1, 2003 Nov 30, 2003 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2003 Surface Water Treatment Rule
Nov 1, 2003 Nov 30, 2003 Surface Water Treatment Rule MR No Yes — — — Resolved Nov 30, 2003 Surface Water Treatment Rule
Jul 1, 1999 Jul 31, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 1999 Surface Water Treatment Rule
Jul 1, 1999 Jul 31, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 1999 Surface Water Treatment Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Jul 31, 1999 Surface Water Treatment Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1999 Total Coliform Rule
Jun 1, 1999 Jun 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1999 Surface Water Treatment Rule
May 1, 1999 May 31, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1999 Surface Water Treatment Rule
May 1, 1999 May 31, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 1999 Surface Water Treatment Rule
Jan 1, 1999 — Lead and Copper Rule TT Yes No — TT — Resolved Dec 7, 2000 Lead and Copper Rule
Apr 1, 1998 Apr 30, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1998 Surface Water Treatment Rule
Apr 1, 1998 Apr 30, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1998 Surface Water Treatment Rule
Apr 1, 1998 Apr 30, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1998 Surface Water Treatment Rule
Mar 1, 1998 Mar 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 1998 Surface Water Treatment Rule
Mar 1, 1998 Mar 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 1998 Surface Water Treatment Rule
Mar 1, 1998 Mar 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 1998 Surface Water Treatment Rule
Mar 1, 1998 Mar 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 1998 Surface Water Treatment Rule
Feb 1, 1998 Feb 28, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 1998 Surface Water Treatment Rule
Feb 1, 1998 Feb 28, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 1998 Surface Water Treatment Rule
Feb 1, 1998 Feb 28, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 1998 Surface Water Treatment Rule
Feb 1, 1998 Feb 28, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 1998 Surface Water Treatment Rule
Jan 1, 1998 Jan 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1998 Surface Water Treatment Rule
Jan 1, 1998 Jan 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1998 Surface Water Treatment Rule
Jan 1, 1998 Jan 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1998 Surface Water Treatment Rule
Jan 1, 1998 Jan 31, 1998 Surface Water Treatment Rule TT Yes No — — — Resolved Jan 31, 1998 Surface Water Treatment Rule
Jan 1, 1998 — Lead and Copper Rule TT Yes No — TT — Resolved Dec 7, 2000 Lead and Copper Rule
Dec 1, 1997 Dec 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 1997 Surface Water Treatment Rule
Dec 1, 1997 Dec 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 1997 Surface Water Treatment Rule
Dec 1, 1997 Dec 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 1997 Surface Water Treatment Rule
Dec 1, 1997 Dec 31, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Dec 31, 1997 Surface Water Treatment Rule
Nov 1, 1997 Nov 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 1997 Surface Water Treatment Rule
Nov 1, 1997 Nov 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 1997 Surface Water Treatment Rule
Nov 1, 1997 Nov 30, 1997 Surface Water Treatment Rule TT Yes No — — — Resolved Nov 30, 1997 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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