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TUCSON MEDICAL CENTER

Arizona — Non-Transient Non-Community — PWSID: AZ0420213

System Information

PWSIDAZ0420213
System NameTUCSON MEDICAL CENTER
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeMixed
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityTUCSON
ZIP Code85712
Address5301 E. Grant Rd.
OrganizationSAMANIEGO, HECTOR
Phone520-324-3723

Population & Service

Population Served3,000
Service Connections2

Drinking Water Violations (110)

This water system has 110 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, 2025 Sep 30, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Sep 30, 2025 Revised Total Coliform Rule
Jan 1, 2025 Dec 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2025 Dec 31, 2025 TTHM MR No Yes — 0.080 mg/L — Unaddressed — Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Nov 15, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Nov 15, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Nov 15, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS RPT No No — — — Resolved Nov 15, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Nov 15, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Nov 15, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Nov 15, 2024 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved Nov 15, 2024 Lead and Copper Rule Revisions
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023 Dec 31, 2023 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2023 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 24, 2022 Revised Total Coliform Rule
Jun 1, 2022 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 24, 2022 Revised Total Coliform Rule
Sep 11, 2020 — Lead and Copper Rule MR No No — TT — Resolved Sep 22, 2020 Lead and Copper Rule
Sep 11, 2020 — Lead and Copper Rule MR No No — TT — Resolved Sep 22, 2020 Lead and Copper Rule
Jan 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 15, 2019 Revised Total Coliform Rule
Jan 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Feb 15, 2019 Revised Total Coliform Rule
Nov 3, 2017 — Lead and Copper Rule MR No No — TT — Resolved Apr 12, 2018 Lead and Copper Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 14, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 14, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2015 Total Coliform Rule
Dec 1, 2015 Dec 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 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
Nov 1, 2015 Nov 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2015 Total Coliform Rule
Oct 1, 2015 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Sep 30, 2016 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2015 Sep 30, 2016 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2016 Stage 2 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
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jul 1, 2014 Jul 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2014 Total Coliform Rule
Jul 1, 2014 Sep 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Sep 30, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jul 31, 2014 Total Coliform Rule
Feb 1, 2014 Feb 28, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2014 Total Coliform Rule
Feb 1, 2014 Feb 28, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2014 Total Coliform Rule
Oct 1, 2013 — Lead and Copper Rule MR No No — TT — Resolved Oct 1, 2014 Lead and Copper Rule
Oct 1, 2013 — Lead and Copper Rule MR No No — TT — Resolved Oct 1, 2014 Lead and Copper Rule
Oct 1, 2013 — Lead and Copper Rule MR No No — TT — Resolved Oct 1, 2014 Lead and Copper Rule
Jan 1, 2013 Mar 31, 2013 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Dec 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Dec 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2013 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2013 Dec 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2013 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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