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GRAND STAIRCASE WATER COMPANY

Arizona — Non-Transient Non-Community — PWSID: UTAH13063

System Information

PWSIDUTAH13063
System NameGRAND STAIRCASE WATER COMPANY
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedNov 30, 2005
Last ReportedNov 19, 2025

Location & Contact

StateArizona
CityPRESCOTT VALLEY
ZIP Code86315
Address7853 N SAGE VISTA
OrganizationMUYLLE, JAMES C
Phone928-713-9397

Population & Service

Population Served145
Service Connections3

Drinking Water Violations (40)

This water system has 40 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
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Sep 1, 2020 Sep 30, 2020 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2020 Revised Total Coliform Rule
Jan 26, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 5, 2020 Revised Total Coliform Rule
Jan 26, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 5, 2020 Revised Total Coliform Rule
Jan 13, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 24, 2020 Revised Total Coliform Rule
Apr 26, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 25, 2019 Revised Total Coliform Rule
Apr 26, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 25, 2019 Revised Total Coliform Rule
Oct 1, 2017 — Revised Total Coliform Rule Other No No — — — Resolved Dec 22, 2017 Revised Total Coliform Rule
Oct 1, 2016 Oct 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2016 Revised Total Coliform Rule
Oct 1, 2016 Oct 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2016 Revised Total Coliform Rule
Jul 19, 2016 — Revised Total Coliform Rule RPT No No — — — Resolved Nov 9, 2016 Revised Total Coliform Rule
Oct 1, 2015 Dec 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Jan 1, 2014 Dec 31, 2016 Selenium MR No Yes — 0.05 mg/L — Resolved Dec 31, 2016 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2016 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Simazine MR No Yes — 0.004 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Selenium MR No Yes — 0.05 mg/L — Resolved Dec 31, 2016 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2016 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Selenium MR No Yes — 0.05 mg/L — Resolved Dec 31, 2016 Inorganic Chemicals
Jan 1, 2014 Dec 31, 2016 Heptachlor epoxide MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Hexachlorocyclopentadiene MR No Yes — 0.05 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 LASSO MR No Yes — — — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Heptachlor MR No Yes — 0.0004 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2012 Dec 31, 2012 Styrene MR No Yes — 0.1 mg/L — Resolved Jul 25, 2012 Volatile Organic Chemicals
Jan 1, 2012 Dec 31, 2012 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Jul 25, 2012 Volatile Organic Chemicals
Jan 1, 2012 Dec 31, 2012 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Jul 25, 2012 Volatile 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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