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COLORADO MOUNTAIN RANCH

Colorado — Transient Non-Community — PWSID: CO0207755

System Information

PWSIDCO0207755
System NameCOLORADO MOUNTAIN RANCH
System TypeTransient Non-Community
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 20, 1979
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityBOULDER
ZIP Code80302
Address10077 GOLD HILL RD
OrganizationWALKER, MIKE
Phone303-442-4557

Population & Service

Population Served205
Service Connections1

Drinking Water Violations (59)

This water system has 59 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, 2011 Aug 31, 2011 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 2011 Total Coliform Rule
Aug 1, 2011 Aug 31, 2011 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 2011 Total Coliform Rule
Aug 1, 2009 Aug 31, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2009 Total Coliform Rule
Aug 1, 2009 Aug 31, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2009 Total Coliform Rule
Aug 1, 2009 Aug 31, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2009 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2007 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2007 Total Coliform Rule
Aug 1, 2007 Aug 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2007 Total Coliform Rule
Aug 1, 2006 Aug 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2006 Total Coliform Rule
Aug 1, 2006 Aug 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2006 Total Coliform Rule
Aug 1, 2006 Aug 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2006 Total Coliform Rule
Jan 1, 2006 — Surface Water Treatment Rule TT Yes No — — — Resolved May 19, 2006 Surface Water Treatment Rule
Jan 1, 2006 — Surface Water Treatment Rule TT Yes No — — — Resolved May 19, 2006 Surface Water Treatment Rule
Jan 1, 2006 — Surface Water Treatment Rule TT Yes No — — — Resolved May 19, 2006 Surface Water Treatment Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Aug 1, 2002 Aug 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2002 Total Coliform Rule
Aug 1, 2002 Aug 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2002 Total Coliform Rule
Aug 1, 2002 Aug 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2002 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jul 1, 2002 Jul 31, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2002 Total Coliform Rule
Jun 1, 2002 Jun 30, 2002 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2002 Surface Water Treatment Rule
Jun 1, 2002 Jun 30, 2002 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2002 Surface Water Treatment Rule
Jun 1, 2002 Jun 30, 2002 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2002 Surface Water Treatment Rule
Aug 1, 2001 Aug 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2001 Total Coliform Rule
Aug 1, 2001 Aug 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2001 Total Coliform Rule
Aug 1, 2001 Aug 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2001 Total Coliform Rule
Aug 1, 2001 Aug 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2001 Surface Water Treatment Rule
Aug 1, 2001 Aug 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2001 Surface Water Treatment Rule
Aug 1, 2001 Aug 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2001 Surface Water Treatment Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jul 1, 2001 Jul 31, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2001 Total Coliform Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Jul 1, 2001 Jul 31, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jul 31, 2001 Surface Water Treatment Rule
Jun 1, 2001 Jun 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2001 Surface Water Treatment Rule
Jun 1, 2001 Jun 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2001 Surface Water Treatment Rule
Jun 1, 2001 Jun 30, 2001 Surface Water Treatment Rule MR No Yes — — — Resolved Jun 30, 2001 Surface Water Treatment Rule
Jun 1, 2001 Jun 30, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2001 Total Coliform Rule
Jun 1, 2001 Jun 30, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2001 Total Coliform Rule
Jun 1, 2001 Jun 30, 2001 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2001 Total Coliform Rule
Jul 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Jul 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Jul 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Jul 1, 1998 Sep 30, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Jul 1, 1998 Sep 30, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1998 Total Coliform Rule
Jul 1, 1998 Sep 30, 1998 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1998 Total Coliform 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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