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SHEPARD WATER COMPANY

Arizona — Community Water System — PWSID: AZ0414014

System Information

PWSIDAZ0414014
System NameSHEPARD WATER 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

StateArizona
CityYUMA
ZIP Code85365
Address—
OrganizationJOHNSON, PHILIP
Phone928-592-2579

Population & Service

Population Served430
Service Connections163

Drinking Water Violations (306)

This water system has 306 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
Aug 1, 2025 Aug 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Aug 31, 2025 Revised Total Coliform Rule
Aug 1, 2025 Aug 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Aug 31, 2025 Revised Total Coliform Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2025 Apr 30, 2025 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2025 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 24, 2025 Revised Total Coliform Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Mar 31, 2025 Lead and Copper Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Mar 31, 2025 Lead and Copper Rule
Jan 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 24, 2025 Revised Total Coliform Rule
Jan 1, 2025 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 24, 2025 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Dec 1, 2024 Dec 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Dec 31, 2024 Revised Total Coliform Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 22, 2024 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 22, 2024 Lead and Copper Rule
Jul 1, 2022 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 22, 2024 Lead and Copper Rule
Jul 1, 2022 Sep 30, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 — Lead and Copper Rule TT Yes No — TT — Resolved Jan 22, 2024 Lead and Copper Rule
Feb 13, 2022 — Public Notice Other No No — — — Resolved Jan 4, 2024 Public Notice Rule and Revised PN Rule
Feb 13, 2022 — Public Notice Other No No — — — Resolved Jan 4, 2024 Public Notice Rule and Revised PN Rule
Jan 1, 2022 Mar 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2022 Arsenic Rule
Jan 1, 2022 Mar 31, 2022 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Mar 31, 2022 Arsenic Rule
Nov 16, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jan 31, 2022 Lead and Copper Rule
Nov 16, 2021 — Lead and Copper Rule MR No No — TT — Resolved Jan 31, 2022 Lead and Copper Rule
Nov 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 27, 2021 Revised Total Coliform Rule
Nov 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Dec 27, 2021 Revised Total Coliform Rule
Oct 1, 2021 Sep 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Sep 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Sep 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Arsenic MCL Yes No .011 MG/L 0.010 mg/L .01 Resolved Dec 31, 2021 Arsenic Rule
Oct 1, 2021 Sep 30, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Sep 30, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Sep 30, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Sep 30, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Sep 30, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 9, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 16, 2021 Ground Water Rule
Apr 9, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 16, 2021 Ground Water Rule
Apr 9, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 16, 2021 Ground Water Rule
Apr 9, 2021 — Groundwater Rule TT Yes No — — — Resolved Apr 16, 2021 Ground Water Rule
Apr 1, 2021 Jun 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2021 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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