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WALNUT CREEK WATER COMPANY

Arizona — Community Water System — PWSID: AZ0408078

System Information

PWSIDAZ0408078
System NameWALNUT CREEK WATER COMPANY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedSep 27, 1990
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityGLENDALE
ZIP Code85307
Address6808 N DYSART RD
OrganizationGAGNE, JASON
Phone623-935-1100

Population & Service

Population Served728
Service Connections291

Drinking Water Violations (85)

This water system has 85 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
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 15, 2023 Lead and Copper Rule
Oct 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 15, 2023 Lead and Copper Rule
Sep 25, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 17, 2023 Lead and Copper Rule
Sep 25, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 17, 2023 Lead and Copper Rule
Feb 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 23, 2022 Revised Total Coliform Rule
Feb 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 23, 2022 Revised Total Coliform Rule
Jan 1, 2022 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Dec 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 28, 2021 Revised Total Coliform Rule
Jun 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 28, 2021 Revised Total Coliform Rule
Jan 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 10, 2020 Lead and Copper Rule
Jan 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Jan 10, 2020 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Nov 12, 2019 Lead and Copper Rule
Oct 1, 2019 — Lead and Copper Rule MR No No — TT — Resolved Nov 12, 2019 Lead and Copper Rule
Nov 1, 2016 Nov 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2016 Revised Total Coliform Rule
Nov 1, 2016 Nov 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 2016 Revised Total Coliform Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Dec 27, 2016 Lead and Copper Rule
Oct 1, 2016 — Lead and Copper Rule MR No No — TT — Resolved Dec 27, 2016 Lead and Copper Rule
Mar 1, 2016 Mar 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2016 Total Coliform Rule
Mar 1, 2016 Mar 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2016 Total Coliform Rule
Nov 1, 2015 Nov 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2015 Total Coliform Rule
Nov 1, 2015 Nov 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Oct 1, 2015 Oct 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Sep 1, 2015 Sep 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Jul 1, 2015 Jul 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2015 Total Coliform Rule
Jul 1, 2015 Jul 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2015 Total Coliform Rule
Jun 1, 2009 Jun 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2009 Total Coliform Rule
Jun 1, 2009 Jun 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2009 Total Coliform Rule
Jan 1, 2006 Dec 31, 2006 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 Volatile Organic Chemicals
Jan 1, 2006 Dec 31, 2006 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2006 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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