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JOSHUA VALLEY UTILITY COMPANY

California — Community Water System — PWSID: AZ0408017

System Information

PWSIDAZ0408017
System NameJOSHUA VALLEY UTILITY COMPANY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateCalifornia
CitySAN FRANCISCO
ZIP Code94129
AddressATTN: CHRISTOPHER SCHILLING
OrganizationCOMMUNITY WATER OF AMERICA INC.
Phone562-396-3101

Population & Service

Population Served1,500
Service Connections1,054

Drinking Water Violations (209)

This water system has 209 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
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2025 Revised Total Coliform Rule
Jul 1, 2025 Jul 31, 2025 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2025 Revised Total Coliform Rule
May 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 27, 2024 Revised Total Coliform Rule
May 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 27, 2024 Revised Total Coliform Rule
Mar 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 11, 2024 Revised Total Coliform Rule
Mar 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 11, 2024 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Jun 1, 2023 Jun 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2023 Revised Total Coliform Rule
Oct 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 7, 2022 Revised Total Coliform Rule
Oct 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 7, 2022 Revised Total Coliform Rule
Sep 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 28, 2022 Revised Total Coliform Rule
Sep 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 28, 2022 Revised Total Coliform Rule
Jul 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 3, 2020 Revised Total Coliform Rule
Jul 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 3, 2020 Revised Total Coliform Rule
Mar 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 12, 2019 Revised Total Coliform Rule
Mar 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Apr 12, 2019 Revised Total Coliform Rule
Oct 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Oct 30, 2018 Lead and Copper Rule
Oct 1, 2018 — Lead and Copper Rule MR No No — TT — Resolved Oct 30, 2018 Lead and Copper Rule
Aug 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Sep 18, 2018 Revised Total Coliform Rule
Jan 1, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 14, 2018 Revised Total Coliform Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2017 Consumer Confidence Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2017 Consumer Confidence Rule
Sep 1, 2017 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 12, 2017 Revised Total Coliform Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2017 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2017 Consumer Confidence Rule
Jul 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Oct 10, 2017 Consumer Confidence Rule
Jun 1, 2017 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 17, 2017 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
Nov 1, 2016 Nov 30, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Nov 30, 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
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
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
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 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 — Lead and Copper Rule MR No No — TT — Resolved Nov 30, 2015 Lead and Copper Rule
Oct 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Nov 30, 2015 Lead and Copper Rule
Oct 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2016 Consumer Confidence Rule
Oct 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2016 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2016 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2016 Consumer Confidence Rule
Oct 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Apr 13, 2015 Consumer Confidence Rule
Oct 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Apr 13, 2015 Consumer Confidence Rule
Sep 1, 2014 Sep 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2014 Total Coliform Rule
Sep 1, 2014 Sep 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2014 Total Coliform Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Apr 13, 2015 Consumer Confidence Rule
Oct 1, 2013 — Lead and Copper Rule MR No No — TT — Resolved Nov 30, 2015 Lead and Copper 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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