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NORTHERN DOUGLAS COUNTY WSD

Colorado — Community Water System — PWSID: CO0118016

System Information

PWSIDCO0118016
System NameNORTHERN DOUGLAS COUNTY WSD
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMay 20, 1996
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityGREENWOOD VILLAGE
ZIP Code80111
Address8390 E CRESCENT PKWY STE 300
OrganizationURKOSKI, MATT
Phone303-779-5710

Population & Service

Population Served6,160
Service Connections1,646

Drinking Water Violations (52)

This water system has 52 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
Feb 1, 2019 — Revised Total Coliform Rule Other No No — — — Resolved Mar 18, 2019 Revised Total Coliform Rule
Feb 1, 2019 — Revised Total Coliform Rule Other No No — — — Resolved Mar 18, 2019 Revised Total Coliform Rule
Feb 1, 2019 — Revised Total Coliform Rule Other No No — — — Resolved Mar 18, 2019 Revised Total Coliform Rule
Feb 1, 2019 — Revised Total Coliform Rule Other No No — — — Resolved Mar 18, 2019 Revised Total Coliform Rule
Jan 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Oct 4, 2019 Lead and Copper Rule
Jan 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Oct 4, 2019 Lead and Copper Rule
Jan 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Oct 4, 2019 Lead and Copper Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Aug 1, 2017 Aug 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2017 Revised Total Coliform Rule
Aug 1, 2017 Aug 31, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2017 Surface Water Treatment Rule
Aug 1, 2017 Aug 31, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2017 Surface Water Treatment Rule
Aug 1, 2017 Aug 31, 2017 Surface Water Treatment Rule MR No Yes — — — Resolved Aug 31, 2017 Surface Water Treatment Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2015 Jun 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Jun 1, 2015 Jun 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Jun 1, 2015 Jun 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2015 Total Coliform Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2015 Jun 30, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2015 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2009 Dec 31, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jan 1, 2007 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2005 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Nov 21, 2003 Consumer Confidence Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Nov 21, 2003 Consumer Confidence Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Sep 1, 1999 Sep 30, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 1999 Total Coliform Rule
Jul 1, 1997 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 1997 — Lead and Copper Rule MR No No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
— — — No No — — — — — —
— — — No No — — — — — —

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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