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HAWARDEN WATER SUPPLY

Iowa — Community Water System — PWSID: IA8434040

System Information

PWSIDIA8434040
System NameHAWARDEN WATER SUPPLY
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
CityHAWARDEN
ZIP Code51023
AddressATTN ALAN MACE WATER SUPT
OrganizationHAWARDEN WATER SUPPLY
Phone712-551-2565

Population & Service

Population Served2,700
Service Connections1,058

Drinking Water Violations (151)

This water system has 151 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
Aug 1, 2018 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2018 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2018 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2018 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2018 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2018 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2018 Aug 31, 2018 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2018 Aug 31, 2018 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2018 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2006 Jun 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2006 Jun 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2006 Jun 30, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
Mar 1, 2006 Mar 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2006 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
Jul 1, 1996 Sep 30, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1996 Nitrate Rule
Jul 1, 1996 Sep 30, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1996 Nitrate Rule
Jul 1, 1996 Sep 30, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1996 Nitrate Rule
Jul 1, 1996 Sep 30, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1996 Nitrate Rule
Jun 1, 1995 Jun 30, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Jun 1, 1995 Jun 30, 1995 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jun 30, 1995 Synthetic Organic Chemicals
Jun 1, 1995 Jun 30, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Jun 1, 1995 Jun 30, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Jun 1, 1995 Jun 30, 1995 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jun 30, 1995 Synthetic Organic Chemicals
Jun 1, 1995 Jun 30, 1995 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jun 30, 1995 Synthetic Organic Chemicals
Jun 1, 1995 Jun 30, 1995 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jun 30, 1995 Synthetic Organic Chemicals
Jun 1, 1995 Jun 30, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Jun 1, 1995 Jun 30, 1995 BHC-GAMMA MR No Yes — 0.0002 mg/L — Resolved Jun 30, 1995 Synthetic Organic Chemicals
Jun 1, 1995 Jun 30, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jun 30, 1995 Volatile Organic Chemicals
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 1994 Total Coliform Rule
Jan 1, 1994 Jan 31, 1994 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 1994 Total Coliform Rule
Jan 1, 1992 Dec 31, 1994 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 1994 Inorganic Chemicals
Jan 1, 1992 Dec 31, 1994 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 1994 Inorganic Chemicals
Jan 1, 1992 Dec 31, 1994 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 1994 Inorganic Chemicals
Jan 1, 1992 Dec 31, 1994 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 1994 Inorganic Chemicals
Jul 1, 1991 Jul 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1991 Total Coliform Rule
Jul 1, 1991 Jul 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1991 Total Coliform Rule
Jul 1, 1991 Jul 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1991 Total Coliform Rule
Jul 1, 1991 Jul 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1991 Total Coliform Rule
Jul 1, 1991 Jul 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1991 Total Coliform Rule
Jul 1, 1991 Jul 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1991 Total Coliform Rule
Jul 1, 1991 Jul 31, 1991 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1991 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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