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TUCSON WATER CORONA DE TUCSON

Arizona — Community Water System — PWSID: AZ0410169

System Information

PWSIDAZ0410169
System NameTUCSON WATER CORONA DE TUCSON
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedOct 5, 1979
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityTUCSON
ZIP Code85726
Address—
OrganizationAVILA, ALBERT C
Phone520-837-2430

Population & Service

Population Served10,217
Service Connections3,649

Drinking Water Violations (34)

This water system has 34 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, 2011 Dec 31, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011 Sep 30, 2011 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2011 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Jul 16, 2008 Consumer Confidence Rule
Oct 1, 2006 Dec 31, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Apr 7, 2008 Lead and Copper Rule
Sep 1, 2006 Sep 30, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Sep 30, 2006 Total Coliform Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Sep 13, 2006 Consumer Confidence Rule
Jul 1, 2006 Sep 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Dec 31, 2006 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Dec 31, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 — Consumer Confidence Rule Other No No — — — Resolved Dec 31, 2005 Consumer Confidence Rule
Jan 1, 2005 Dec 31, 2005 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2005 Dec 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2004 Dec 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2004 Sep 30, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2006 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Dec 31, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2003 — Consumer Confidence Rule Other No No — — — Resolved Jul 14, 2003 Consumer Confidence Rule
Jul 1, 2002 — Consumer Confidence Rule Other No No — — — Resolved Jul 27, 2002 Consumer Confidence Rule
Sep 1, 2001 Sep 30, 2001 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2001 Total Coliform Rule
Jan 1, 1998 Dec 31, 2000 Barium MR No Yes — 2 mg/L — Resolved Dec 31, 2000 Inorganic Chemicals
Jan 1, 1998 Dec 31, 2000 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2000 Synthetic Organic Chemicals
Jan 1, 1998 Dec 31, 2000 Mercury MR No Yes — 0.002 mg/L — Resolved Dec 31, 2000 Inorganic Chemicals
Jan 1, 1998 Dec 31, 2000 Fluoride MR No Yes — 4.0 mg/L — Resolved Dec 31, 2000 Inorganic Chemicals
Jan 1, 1998 Dec 31, 2000 Arsenic MR No Yes — 0.010 mg/L — Resolved Dec 31, 2000 Arsenic Rule
Jan 1, 1998 Dec 31, 1998 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 1998 Nitrate Rule
Jul 1, 1988 Sep 30, 1988 Mercury MR No Yes — 0.002 mg/L — Archived Sep 30, 1988 Inorganic Chemicals
Jul 1, 1988 Sep 30, 1988 Selenium MR No Yes — 0.05 mg/L — Archived Sep 30, 1988 Inorganic Chemicals
Jul 1, 1988 Sep 30, 1988 Nitrate MR No Yes — 10 mg/L — Archived Sep 30, 1988 Nitrate Rule
Jul 1, 1988 Sep 30, 1988 Chromium MR No Yes — 0.1 mg/L — Archived Sep 30, 1988 Inorganic Chemicals
Jul 1, 1988 Sep 30, 1988 Fluoride MR No Yes — 4.0 mg/L — Archived Sep 30, 1988 Inorganic Chemicals
Jul 1, 1988 Sep 30, 1988 Barium MR No Yes — 2 mg/L — Archived Sep 30, 1988 Inorganic Chemicals
Jul 1, 1988 Sep 30, 1988 Cadmium MR No Yes — 0.005 mg/L — Archived Sep 30, 1988 Inorganic Chemicals
Sep 12, 1985 Sep 10, 1988 Arsenic MR No Yes — 0.010 mg/L — Archived Sep 10, 1988 Arsenic 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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