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DEFIANCE WATER DEPARTMENT

Iowa — Community Water System — PWSID: IA8315018

System Information

PWSIDIA8315018
System NameDEFIANCE WATER DEPARTMENT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityDEFIANCE
ZIP Code51527
AddressATTN GARY MUHLBAUER WATER SUPT
OrganizationDEFIANCE WATER DEPARTMENT
Phone712-748-3430

Population & Service

Population Served250
Service Connections145

Drinking Water Violations (195)

This water system has 195 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
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
May 1, 2024 May 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved May 31, 2024 Revised Total Coliform Rule
Dec 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 7, 2024 Lead and Copper Rule
Dec 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Feb 7, 2024 Lead and Copper Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Sep 9, 2022 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Sep 9, 2022 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Sep 9, 2022 Consumer Confidence Rule
Jan 1, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2021 Revised Total Coliform Rule
Jan 1, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2021 Revised Total Coliform Rule
Jan 1, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2021 Revised Total Coliform Rule
Jan 1, 2021 Jan 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Jan 31, 2021 Revised Total Coliform Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jul 13, 2015 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jul 13, 2015 Consumer Confidence Rule
Jul 1, 2014 — Consumer Confidence Rule Other No No — — — Resolved Jul 13, 2015 Consumer Confidence Rule
Jul 1, 2013 Jul 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Oct 17, 2013 Consumer Confidence Rule
Jul 1, 2013 Jul 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 — Consumer Confidence Rule Other No No — — — Resolved Oct 17, 2013 Consumer Confidence Rule
Jul 1, 2013 Jul 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
May 1, 2013 May 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2013 Total Coliform Rule
May 1, 2013 May 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2013 Total Coliform Rule
May 1, 2013 May 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2013 Total Coliform Rule
May 1, 2013 May 31, 2013 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2013 Total Coliform Rule
Apr 1, 2009 Jun 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 2, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2009 Apr 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2009 Total Coliform Rule
Apr 1, 2009 Apr 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2009 Total Coliform Rule
Apr 1, 2009 Apr 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2009 Total Coliform Rule
Apr 1, 2009 Jun 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 2, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2009 Jun 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 2, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2009 Jun 30, 2009 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 2, 2009 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2009 Apr 30, 2009 Coliform (TCR) MR No No — 5% of samples — Resolved Apr 30, 2009 Total Coliform Rule
Apr 1, 2008 Jun 30, 2008 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Apr 1, 2008 Jun 30, 2008 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Jun 30, 2008 Synthetic Organic Chemicals
Nov 1, 2002 Nov 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2002 Total Coliform Rule
Nov 1, 2002 Nov 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2002 Total Coliform Rule
Nov 1, 2002 Nov 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2002 Total Coliform Rule
Nov 1, 2002 Nov 30, 2002 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2002 Total Coliform Rule
Oct 1, 2001 Sep 30, 2007 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Oct 1, 2001 Sep 30, 2007 2,4,5-TP MR No Yes — 0.05 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Oct 1, 2001 Sep 30, 2007 Simazine MR No Yes — 0.004 mg/L — Resolved Sep 30, 2007 Synthetic Organic Chemicals
Oct 1, 2001 Sep 30, 2007 Simazine MR No Yes — 0.004 mg/L — Resolved Sep 30, 2007 Synthetic Organic 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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