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LA CHOLLA AIRPARK

Arizona — Community Water System — PWSID: AZ0420597

System Information

PWSIDAZ0420597
System NameLA CHOLLA AIRPARK
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedJan 22, 1982
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityORO VALLEY
ZIP Code85755
Address—
OrganizationNEWMAN, LARRY
Phone520-297-8096

Population & Service

Population Served250
Service Connections113

Drinking Water Violations (69)

This water system has 69 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
Mar 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2024 Mar 31, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 15, 2023 Lead and Copper Rule
Jan 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 15, 2023 Lead and Copper Rule
Oct 24, 2021 — Lead and Copper Rule MR No No — TT — Resolved Dec 30, 2021 Lead and Copper Rule
Oct 24, 2021 — Lead and Copper Rule MR No No — TT — Resolved Dec 30, 2021 Lead and Copper 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
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 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
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
Jan 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2020 Lead and Copper Rule
Oct 1, 2020 Dec 31, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 21, 2019 Revised Total Coliform Rule
Jul 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Aug 21, 2019 Revised Total Coliform Rule
May 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 17, 2019 Revised Total Coliform Rule
May 1, 2019 — Revised Total Coliform Rule RPT No No — — — Resolved Jun 17, 2019 Revised Total Coliform Rule
Jan 1, 2018 Mar 31, 2018 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2018 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 — Consumer Confidence Rule Other No No — — — Resolved Jan 9, 2018 Consumer Confidence 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, 2016 — Consumer Confidence Rule Other No No — — — Resolved Mar 23, 2017 Consumer Confidence Rule
Mar 1, 2016 Mar 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2016 Total Coliform Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2014 Consumer Confidence 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
Jan 1, 2014 Mar 31, 2014 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2014 Consumer Confidence Rule
Apr 1, 2010 Jun 30, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Mar 31, 2010 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 Sep 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 Jun 30, 2008 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2008 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2007 Mar 31, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Aug 31, 1990 Aug 30, 1993 Chromium MR No Yes — 0.1 mg/L — Archived Aug 30, 1993 Inorganic Chemicals
Aug 31, 1990 Aug 30, 1993 Barium MR No Yes — 2 mg/L — Archived Aug 30, 1993 Inorganic Chemicals
Aug 31, 1990 Aug 30, 1993 Fluoride MR No Yes — 4.0 mg/L — Archived Aug 30, 1993 Inorganic Chemicals
Aug 31, 1990 Aug 30, 1993 Nitrate MR No Yes — 10 mg/L — Archived Aug 30, 1993 Nitrate Rule
Aug 31, 1990 Aug 30, 1993 Arsenic MR No Yes — 0.010 mg/L — Archived Aug 30, 1993 Arsenic Rule
Aug 31, 1990 Aug 30, 1993 Mercury MR No Yes — 0.002 mg/L — Archived Aug 30, 1993 Inorganic Chemicals
Aug 31, 1990 Aug 30, 1993 Selenium MR No Yes — 0.05 mg/L — Archived Aug 30, 1993 Inorganic Chemicals
Aug 31, 1990 Aug 30, 1993 Cadmium MR No Yes — 0.005 mg/L — Archived Aug 30, 1993 Inorganic Chemicals
Apr 1, 1988 Jun 30, 1988 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Jun 30, 1988 Radionuclides and Revised Rad Rule
Sep 24, 1987 Sep 23, 1991 Gross Alpha, Excl. Radon and U MCL Yes No 24 15 pCi/L — Archived Sep 23, 1991 Radionuclides and Revised Rad Rule
Sep 24, 1987 Sep 23, 1991 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Archived Sep 23, 1991 Radionuclides and Revised Rad Rule
Sep 1, 1987 Aug 30, 1990 Mercury MR No Yes — 0.002 mg/L — Archived Aug 30, 1990 Inorganic Chemicals

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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