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FOREST HILLS MD RIVA CHASE

Colorado — Community Water System — PWSID: CO0130033

System Information

PWSIDCO0130033
System NameFOREST HILLS MD RIVA CHASE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedDec 21, 1990
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityGOLDEN
ZIP Code80401
Address14405 W COLFAX AVE STE 165
OrganizationZIVALICH, RONDA
Phone303-495-2330

Population & Service

Population Served400
Service Connections148

Drinking Water Violations (190)

This water system has 190 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
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2024 Mar 31, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Mar 31, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Aug 18, 2011 Consumer Confidence Rule
Jul 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Aug 18, 2011 Consumer Confidence Rule
Jul 1, 2010 — Consumer Confidence Rule Other No No — — — Resolved Sep 2, 2010 Consumer Confidence Rule
Jul 1, 2010 — Consumer Confidence Rule Other No No — — — Resolved Sep 2, 2010 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Dec 11, 2007 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Dec 11, 2007 Consumer Confidence Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Feb 1, 2006 Feb 28, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2006 Total Coliform Rule
Feb 1, 2006 Feb 28, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2006 Total Coliform Rule
Feb 1, 2006 Feb 28, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2006 Total Coliform Rule
Jan 1, 2005 Dec 31, 2007 Endothall MR No Yes — 0.1 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Aldicarb sulfone MR No Yes — — — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2007 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 2007 Synthetic Organic Chemicals
Jan 1, 2005 Dec 31, 2007 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2007 Synthetic Organic Chemicals

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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