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WINCHESTER HILLS

Wyoming — Community Water System — PWSID: WY5600779

System Information

PWSIDWY5600779
System NameWINCHESTER HILLS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedJan 28, 1982
Last ReportedNov 17, 2025

Location & Contact

StateWyoming
CityCHEYENNE
ZIP Code82003
AddressP.O. Box 2265
OrganizationVIZINA, BRETT A.
Phone307-421-2517

Population & Service

Population Served1,078
Service Connections423

Drinking Water Violations (29)

This water system has 29 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, 2014 Dec 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2011 Dec 31, 2013 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Dec 31, 2013 Radionuclides and Revised Rad Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Jul 18, 2008 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Sep 28, 2007 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Sep 28, 2007 Consumer Confidence Rule
Feb 1, 2004 Feb 29, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2004 Total Coliform Rule
Feb 1, 2004 Feb 29, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2004 Total Coliform Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2007 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2007 Radium-228 MR No Yes — — — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2007 Radium-228 MR No Yes — — — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2007 Radium-226 MR No Yes — — — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2007 Radium-226 MR No Yes — — — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2007 Combined Uranium MR No Yes — 30 ug/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2007 Combined Uranium MR No Yes — 30 ug/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2003 Dec 31, 2003 Nitrate MR No No — 10 mg/L — Resolved Dec 31, 2003 Nitrate Rule
Jan 1, 2003 Dec 31, 2003 Nitrate MR No No — 10 mg/L — Resolved Dec 31, 2003 Nitrate Rule
Jan 1, 2001 Dec 31, 2001 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2001 Radionuclides and Revised Rad Rule
Jan 1, 2001 Dec 31, 2001 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Dec 31, 2001 Radionuclides and Revised Rad Rule
Jan 1, 2001 Jan 31, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2001 Total Coliform Rule
Oct 1, 2000 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2000 Lead and Copper Rule
Oct 1, 2000 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2000 Lead and Copper Rule
Jan 1, 2000 Dec 31, 2000 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2000 Nitrate Rule
Jan 1, 2000 Dec 31, 2000 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2000 Nitrate Rule
Jan 1, 1993 Dec 31, 1996 Arsenic MR No Yes — 0.010 mg/L — Archived Dec 31, 1996 Arsenic 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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