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GRAHAM COUNTY UTILITIES - PIMA

Arizona — Community Water System — PWSID: AZ0405002

System Information

PWSIDAZ0405002
System NameGRAHAM COUNTY UTILITIES - PIMA
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
CityPIMA
ZIP Code85543
Address9 W Center St.
OrganizationBRYCE, JOSHUA
Phone928-485-2451

Population & Service

Population Served3,799
Service Connections1,632

Drinking Water Violations (142)

This water system has 142 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
Feb 23, 2025 — Groundwater Rule TT Yes No — — — Resolved Mar 24, 2025 Ground Water Rule
Feb 23, 2025 — Groundwater Rule TT Yes No — — — Resolved Mar 24, 2025 Ground Water Rule
Feb 23, 2025 — Groundwater Rule TT Yes No — — — Resolved Mar 24, 2025 Ground Water Rule
Apr 2, 2023 — Public Notice Other No No — — — Resolved May 3, 2023 Public Notice Rule and Revised PN Rule
Apr 2, 2023 — Public Notice Other No No — — — Resolved May 3, 2023 Public Notice Rule and Revised PN Rule
Apr 2, 2023 — Public Notice Other No No — — — Resolved May 3, 2023 Public Notice Rule and Revised PN Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jul 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jun 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jun 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jun 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jun 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Jun 1, 2022 — Groundwater Rule TT Yes No — — — Resolved Jun 20, 2025 Ground Water Rule
Mar 17, 2022 — Groundwater Rule TT Yes No — — — Resolved Oct 6, 2022 Ground Water Rule
Mar 17, 2022 — Groundwater Rule TT Yes No — — — Resolved Oct 6, 2022 Ground Water Rule
Mar 17, 2022 — Groundwater Rule TT Yes No — — — Resolved Oct 6, 2022 Ground Water Rule
Mar 17, 2022 — Groundwater Rule TT Yes No — — — Resolved Oct 6, 2022 Ground Water Rule
Feb 13, 2022 — Public Notice Other No No — — — Resolved Mar 28, 2022 Public Notice Rule and Revised PN Rule
Feb 13, 2022 — Public Notice Other No No — — — Resolved Mar 28, 2022 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 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 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 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Nov 25, 2021 — Public Notice Other No No — — — Resolved Mar 28, 2022 Public Notice Rule and Revised PN Rule
Nov 25, 2021 — Public Notice Other No No — — — Resolved Mar 28, 2022 Public Notice Rule and Revised PN Rule
Oct 2, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 28, 2021 Consumer Confidence Rule
Oct 2, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 28, 2021 Consumer Confidence Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 Dec 31, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Oct 1, 2021 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Aug 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 28, 2021 Revised Total Coliform Rule
Aug 1, 2021 — Revised Total Coliform Rule RPT No No — — — Resolved Oct 28, 2021 Revised Total Coliform Rule
Jul 1, 2021 Sep 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 Sep 30, 2021 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2021 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 27, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 27, 2021 Consumer Confidence Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform Rule
Jun 1, 2021 Jun 30, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2021 Revised Total Coliform 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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