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CAVANAUGH HILLS WS

Colorado — Community Water System — PWSID: CO0101166

System Information

PWSIDCO0101166
System NameCAVANAUGH HILLS WS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedNov 20, 2006
Last ReportedNov 17, 2025

Location & Contact

StateColorado
CityKEENESBURG
ZIP Code80643
Address37909 E 149TH PL
OrganizationBROWN, DARYL
Phone303-659-9488

Population & Service

Population Served286
Service Connections118

Drinking Water Violations (156)

This water system has 156 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
Apr 1, 2025 Jun 30, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2025 Nitrate Rule
Apr 1, 2025 Jun 30, 2025 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2025 Nitrate Rule
Jan 1, 2020 Dec 31, 2022 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Jan 1, 2020 Dec 31, 2022 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2022 Synthetic Organic Chemicals
Nov 15, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Oct 26, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 15, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Oct 26, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 15, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Oct 26, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 15, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Oct 26, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 15, 2016 — Stage 2 Disinfectants and Disinfection Byproducts Rule MR No Yes — — — Resolved Oct 26, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Picloram MR No Yes — 0.5 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Dalapon MR No Yes — 0.2 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Endothall MR No Yes — 0.1 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Diquat MR No Yes — 0.02 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Endothall MR No Yes — 0.1 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Endothall MR No Yes — 0.1 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Picloram MR No Yes — 0.5 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Picloram MR No Yes — 0.5 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Picloram MR No Yes — 0.5 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Endrin MR No Yes — 0.002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Benzene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Styrene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2007 Volatile Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Toxaphene MR No Yes — 0.003 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Endrin MR No Yes — 0.002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Toxaphene MR No Yes — 0.003 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Jul 1, 2007 Sep 30, 2007 Toxaphene MR No Yes — 0.003 mg/L — Resolved Sep 30, 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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