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SIGNAL PEAK WATER COMPANY

Arizona — Community Water System — PWSID: AZ0411079

System Information

PWSIDAZ0411079
System NameSIGNAL PEAK WATER COMPANY
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityTEMPE
ZIP Code85281
Address—
OrganizationBAKER, NORMAN D
Phone602-725-7960

Population & Service

Population Served99
Service Connections37

Drinking Water Violations (177)

This water system has 177 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, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 11, 2024 Revised Total Coliform Rule
Sep 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 11, 2024 Revised Total Coliform Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2024 Sep 30, 2024 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2024 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 24, 2024 Revised Total Coliform Rule
Jun 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Jul 24, 2024 Revised Total Coliform Rule
Feb 1, 2024 Feb 29, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 29, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2024 Feb 29, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Feb 29, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 18, 2024 Revised Total Coliform Rule
Feb 1, 2024 — Revised Total Coliform Rule RPT No No — — — Resolved Mar 18, 2024 Revised Total Coliform Rule
Aug 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 27, 2024 Revised Total Coliform Rule
Aug 1, 2023 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 27, 2024 Revised Total Coliform Rule
Apr 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved May 30, 2022 Revised Total Coliform Rule
Apr 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved May 30, 2022 Revised Total Coliform Rule
Jan 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 20, 2020 Revised Total Coliform Rule
Jan 1, 2020 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 20, 2020 Revised Total Coliform Rule
Dec 1, 2017 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 17, 2018 Revised Total Coliform Rule
Dec 1, 2017 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 17, 2018 Revised Total Coliform Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 20, 2018 Lead and Copper Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 20, 2018 Lead and Copper Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Jun 20, 2018 Lead and Copper Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Oct 11, 2017 Lead and Copper Rule
Oct 1, 2017 — Lead and Copper Rule MR No No — TT — Resolved Oct 11, 2017 Lead and Copper Rule
Sep 1, 2017 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2017 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2017 Sep 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2017 Jun 30, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2017 Mar 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2017 Stage 1 Disinfectants and Disinfection Byproducts 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 Dec 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts 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 Dec 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2016 Aug 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2016 Aug 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2016 Aug 31, 2017 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2016 Aug 31, 2017 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2017 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2016 Aug 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2016 Revised Total Coliform Rule
Aug 1, 2016 Aug 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2016 Revised Total Coliform Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Oct 18, 2016 Consumer Confidence Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Oct 18, 2016 Consumer Confidence Rule
May 1, 2016 May 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2016 Revised Total Coliform Rule
May 1, 2016 May 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 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
Jan 1, 2016 Mar 31, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Dec 31, 2015 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2015 Stage 1 Disinfectants and Disinfection Byproducts 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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