Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

EPCOR - SAN TAN ANTHEM

Arizona — Community Water System — PWSID: AZ0411136

System Information

PWSIDAZ0411136
System NameEPCOR - SAN TAN ANTHEM
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedAug 15, 2007
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CitySAN TAN VALLEY
ZIP Code85143
Address—
OrganizationHOSKIN, JULIE
Phone602-722-4100

Population & Service

Population Served10,362
Service Connections4,318

Drinking Water Violations (28)

This water system has 28 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, 2024 Oct 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Oct 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Apr 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Apr 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Jan 1, 2023 Dec 31, 2023 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2023 Nitrate Rule
Apr 1, 2022 Jun 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2022 Jun 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 2, 2022 — Public Notice Other No No — — — Resolved Jun 20, 2022 Public Notice Rule and Revised PN Rule
Mar 2, 2022 — Public Notice Other No No — — — Resolved Jun 20, 2022 Public Notice Rule and Revised PN Rule
Jan 1, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2021 Revised Total Coliform Rule
Jan 1, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2021 Revised Total Coliform Rule
Jan 1, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No No — — — Resolved Jan 31, 2021 Revised Total Coliform Rule
May 1, 2019 Apr 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2019 Apr 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2019 Apr 30, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2018 Apr 30, 2019 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2018 Apr 30, 2019 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2019 Stage 2 Disinfectants and Disinfection Byproducts Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Oct 1, 2018 Lead and Copper Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Oct 1, 2018 Lead and Copper Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Oct 1, 2018 Lead and Copper 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 1, 2016 Sep 30, 2016 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 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
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2014 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Arizona