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ARMSTRONG WATER SUPPLY

Iowa — Community Water System — PWSID: IA3203066

System Information

PWSIDIA3203066
System NameARMSTRONG 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
CityARMSTRONG
ZIP Code50514
AddressATTN WATER SUPT
OrganizationARMSTRONG WATER SUPPLY
Phone712-864-3535

Population & Service

Population Served875
Service Connections489

Drinking Water Violations (91)

This water system has 91 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, 2025 Aug 31, 2025 TTHM MR No Yes — 0.080 mg/L — Archived Aug 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jun 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jul 27, 2025 Lead and Copper Rule
Jun 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jul 27, 2025 Lead and Copper Rule
Jun 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Jul 27, 2025 Lead and Copper Rule
Oct 1, 2020 Dec 31, 2020 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Oct 1, 2020 Dec 31, 2020 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Oct 1, 2020 Dec 31, 2020 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Oct 1, 2020 Dec 31, 2020 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2020 Nitrate Rule
Aug 1, 2020 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2020 Aug 31, 2020 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Feb 1, 2019 Feb 28, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Feb 28, 2019 Revised Total Coliform Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2018 Arsenic Rule
Jan 1, 2018 Mar 31, 2018 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2018 Arsenic Rule
Jul 1, 2014 Jun 30, 2015 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2015 Nitrate Rule
Jul 1, 2014 Jun 30, 2015 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2015 Nitrate Rule
Jul 1, 2014 Jun 30, 2015 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2015 Nitrate Rule
Jul 1, 2014 Jun 30, 2015 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 2015 Nitrate Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2007 Jun 30, 2007 Chlorine MR No Yes — 4.0 mg/L — Resolved Jun 30, 2007 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
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
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
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
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 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 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 Dec 31, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Dec 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts 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
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
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
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
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
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
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
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, 2001 Mar 31, 2002 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2002 Arsenic Rule
Apr 1, 2001 Mar 31, 2002 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2002 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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