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GW -BWC, INC.- NSWC

Arizona — Community Water System — PWSID: AZ0407179

System Information

PWSIDAZ0407179
System NameGW -BWC, INC.- NSWC
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region09
Serves SchoolNo
WholesalerNo
First ReportedJul 6, 2001
Last ReportedNov 17, 2025

Location & Contact

StateArizona
CityMARICOPA
ZIP Code85138
Address—
OrganizationARMIJO, SUSAN
Phone480-328-9281

Population & Service

Population Served319
Service Connections107

Drinking Water Violations (82)

This water system has 82 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
Apr 1, 2024 Apr 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Apr 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2024 Apr 30, 2024 Chlorine MR No Yes — 4.0 mg/L — Resolved Apr 30, 2024 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Dec 31, 2022 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2022 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2019 Sep 30, 2019 Chlorine MR No Yes — 4.0 mg/L — Resolved Sep 30, 2019 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Jul 13, 2016 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Jul 24, 2015 Consumer Confidence Rule
Jan 1, 2012 Dec 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Dec 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Dec 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2012 Dec 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011 — Consumer Confidence Rule Other No No — — — Resolved Oct 11, 2011 Consumer Confidence Rule
Jan 1, 2010 Dec 31, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2010 Dec 31, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2009 — Consumer Confidence Rule Other No No — — — Resolved Jul 14, 2009 Consumer Confidence Rule
Jan 1, 2009 Dec 31, 2009 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2009 Dec 31, 2009 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Jun 26, 2009 Consumer Confidence Rule
Jul 1, 2007 — Consumer Confidence Rule Other No No — — — Resolved Aug 29, 2007 Consumer Confidence Rule
Jul 1, 2006 — Consumer Confidence Rule Other No No — — — Resolved Aug 10, 2006 Consumer Confidence Rule
Jan 1, 2005 Dec 31, 2005 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Jan 1, 2005 Dec 31, 2005 Toluene MR No Yes — 1 mg/L — Resolved Dec 31, 2005 Volatile Organic Chemicals
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2004 Total Coliform Rule
Jan 1, 2004 Dec 31, 2004 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2004 Nitrate Rule
Jan 1, 2004 Dec 31, 2007 Combined Radium (-226 and -228) MR No No — 5 pCi/L — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2007 Radium-226 MR No No — — — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Jan 1, 2004 Dec 31, 2007 Radium-228 MR No No — — — Resolved Dec 31, 2007 Radionuclides and Revised Rad Rule
Dec 1, 2003 Dec 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 2003 Total Coliform Rule
Nov 1, 2003 Nov 30, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2003 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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