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RICO TOWN OF

Colorado — Community Water System — PWSID: CO0117700

System Information

PWSIDCO0117700
System NameRICO 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
CityRICO
ZIP Code81332
Address—
OrganizationMCCARTHY, CHAUNCEY
Phone970-967-2863

Population & Service

Population Served437
Service Connections236

Drinking Water Violations (228)

This water system has 228 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, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Feb 1, 2024 Feb 29, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 29, 2024 Revised Total Coliform Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 14, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 14, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 14, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 14, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Sep 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Sep 1, 2022 Sep 30, 2022 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2022 Revised Total Coliform Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 26, 2021 Lead and Copper Rule
Jan 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 26, 2021 Lead and Copper Rule
Jan 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 26, 2021 Lead and Copper Rule
Jan 1, 2010 Mar 31, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Jan 31, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2010 Surface Water Treatment Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2010 Surface Water Treatment Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Jan 31, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2010 Surface Water Treatment Rule
Jan 1, 2010 Jan 31, 2010 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2010 Total Coliform Rule
Jan 1, 2010 Mar 31, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Mar 31, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Mar 31, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Jan 31, 2010 Surface Water Treatment Rule MR No Yes — — — Resolved Jan 31, 2010 Surface Water Treatment Rule
Mar 1, 2009 Mar 31, 2009 E. COLI MR No Yes — — — Resolved Mar 31, 2009 Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2009 Mar 31, 2009 E. COLI MR No Yes — — — Resolved Mar 31, 2009 Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2009 Mar 31, 2009 E. COLI MR No Yes — — — Resolved Mar 31, 2009 Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2009 Mar 31, 2009 E. COLI MR No Yes — — — Resolved Mar 31, 2009 Long Term 2 Enhanced Surface Water Treatment Rule
Aug 2, 2007 — Surface Water Treatment Rule TT Yes No — — — Resolved Dec 6, 2007 Surface Water Treatment Rule
Aug 2, 2007 — Surface Water Treatment Rule TT Yes No — — — Resolved Dec 6, 2007 Surface Water Treatment Rule
Aug 2, 2007 — Surface Water Treatment Rule TT Yes No — — — Resolved Dec 6, 2007 Surface Water Treatment Rule
Aug 2, 2007 — Surface Water Treatment Rule TT Yes No — — — Resolved Dec 6, 2007 Surface Water Treatment Rule
Aug 2, 2007 — Surface Water Treatment Rule TT Yes No — — — Resolved Dec 6, 2007 Surface Water Treatment Rule
Apr 1, 2007 Jun 30, 2007 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Apr 1, 2007 Jun 30, 2007 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Jun 30, 2007 Synthetic Organic Chemicals
Jul 1, 2006 — Lead and Copper Rule TT Yes No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 — Lead and Copper Rule TT Yes No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 — Lead and Copper Rule TT Yes No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 Dec 31, 2006 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2006 Lead and Copper Rule
Jul 1, 2006 — Lead and Copper Rule TT Yes No — TT — Resolved Aug 25, 2008 Lead and Copper Rule
Jul 1, 2006 Dec 31, 2006 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2006 Lead and Copper Rule
Jul 1, 2006 Dec 31, 2006 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2006 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 TT Yes No — TT — Resolved Aug 25, 2008 Lead and Copper 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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