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GRAY`S CREEK MHP

Wyoming — Community Water System — PWSID: NC0326167

System Information

PWSIDNC0326167
System NameGRAY`S CREEK MHP
System TypeCommunity Water System
Water SourceGround Water
Activity StatusNon-Inventory
Owner TypePrivate
EPA Region04
Serves SchoolNo
WholesalerNo
First ReportedJan 31, 1984
Last ReportedDec 19, 2025

Location & Contact

StateWyoming
CityCHEYENNE
ZIP Code82001
Address1718 CAPITAL AVENUE
OrganizationJACOBUS, JOHN
Phone408-499-8527

Population & Service

Population Served—
Service Connections77

Drinking Water Violations (139)

This water system has 139 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, 2020 Dec 31, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Jun 8, 2020 Nitrate Rule
Jan 1, 2020 Dec 31, 2020 Nitrate MR No Yes — 10 mg/L — Resolved Jun 8, 2020 Nitrate Rule
Jan 1, 2019 Mar 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2019 Mar 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2019 Mar 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2019 Mar 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2019 Radionuclides and Revised Rad Rule
Jan 1, 2019 Mar 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2019 Radionuclides and Revised Rad Rule
Dec 29, 2018 — Public Notice Other No No — — — Resolved Feb 8, 2019 Public Notice Rule and Revised PN Rule
Dec 29, 2018 — Public Notice Other No No — — — Resolved Feb 8, 2019 Public Notice Rule and Revised PN Rule
Dec 29, 2018 — Public Notice Other No No — — — Resolved Feb 8, 2019 Public Notice Rule and Revised PN Rule
Oct 1, 2018 Dec 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6.4 PCI/L 5 pCi/L 5 Resolved Dec 31, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2018 Dec 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6.4 PCI/L 5 pCi/L 5 Resolved Dec 31, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2018 Dec 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6.4 PCI/L 5 pCi/L 5 Resolved Dec 31, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2018 Dec 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6.4 PCI/L 5 pCi/L 5 Resolved Dec 31, 2018 Radionuclides and Revised Rad Rule
Oct 1, 2018 Dec 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6.4 PCI/L 5 pCi/L 5 Resolved Dec 31, 2018 Radionuclides and Revised Rad Rule
Sep 27, 2018 — Public Notice Other No No — — — Resolved Dec 13, 2018 Public Notice Rule and Revised PN Rule
Sep 27, 2018 — Public Notice Other No No — — — Resolved Dec 13, 2018 Public Notice Rule and Revised PN Rule
Sep 27, 2018 — Public Notice Other No No — — — Resolved Dec 13, 2018 Public Notice Rule and Revised PN Rule
Jul 1, 2018 Sep 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2018 Radionuclides and Revised Rad Rule
Jul 1, 2018 Sep 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2018 Radionuclides and Revised Rad Rule
Jul 1, 2018 Sep 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2018 Radionuclides and Revised Rad Rule
Jul 1, 2018 Sep 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2018 Radionuclides and Revised Rad Rule
Jul 1, 2018 Sep 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Sep 30, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2018 Jun 30, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Jun 30, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2018 Mar 31, 2018 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L 5 Resolved Mar 31, 2018 Radionuclides and Revised Rad Rule
Apr 1, 2016 Apr 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2016 Revised Total Coliform Rule
Apr 1, 2016 Jun 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Jun 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2016 Apr 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2016 Revised Total Coliform Rule
Apr 1, 2016 Apr 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2016 Revised Total Coliform Rule
Apr 1, 2016 Apr 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2016 Revised Total Coliform Rule
Apr 1, 2016 Apr 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Apr 30, 2016 Revised Total Coliform Rule
Sep 18, 2014 — Public Notice Other No No — — — Resolved Jul 1, 2017 Public Notice Rule and Revised PN Rule
Sep 18, 2014 — Public Notice Other No No — — — Resolved Jul 1, 2017 Public Notice Rule and Revised PN Rule
Sep 18, 2014 — Public Notice Other No No — — — Resolved Jul 1, 2017 Public Notice Rule and Revised PN Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2014 Total Coliform Rule
Aug 1, 2014 Aug 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2014 Total Coliform 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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