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ISU

Iowa — Community Water System — PWSID: IA8503528

System Information

PWSIDIA8503528
System NameISU
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeState
EPA Region07
Serves SchoolYes
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityAMES
ZIP Code50011
AddressATTN DAVID FROST
OrganizationISU
Phone515-294-3769

Population & Service

Population Served42,000
Service Connections103

Drinking Water Violations (47)

This water system has 47 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, 2022 Sep 30, 2023 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2023 Nitrate Rule
Oct 1, 2022 Sep 30, 2023 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2023 Nitrate Rule
Oct 1, 2022 Sep 30, 2023 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2023 Nitrate Rule
Oct 1, 2022 Sep 30, 2023 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2023 Nitrate Rule
Oct 1, 2018 Sep 30, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2019 Nitrate Rule
Oct 1, 2018 Sep 30, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2019 Nitrate Rule
Oct 1, 2018 Sep 30, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2019 Nitrate Rule
Oct 1, 2018 Sep 30, 2019 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 2019 Nitrate Rule
Apr 1, 2013 Apr 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Apr 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Apr 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Apr 30, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Apr 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Apr 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Apr 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Apr 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2013 Apr 30, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Apr 30, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jul 1, 2005 Jul 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2005 Total Coliform Rule
Jun 1, 2005 Jun 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2005 Total Coliform Rule
Jun 1, 2005 Jun 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2005 Total Coliform Rule
Jun 1, 2005 Jun 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2005 Total Coliform Rule
Jun 1, 2005 Jun 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jun 30, 2005 Total Coliform Rule
Jul 1, 2004 Jul 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2004 Total Coliform Rule
Jul 1, 2004 Jul 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2004 Total Coliform Rule
Jul 1, 2004 Jul 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2004 Total Coliform Rule
Jul 1, 2004 Jul 31, 2004 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 2004 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1999 Total Coliform Rule
Jul 1, 1999 Jul 31, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jul 31, 1999 Total Coliform Rule
Dec 1, 1997 Dec 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1997 Total Coliform Rule
Dec 1, 1997 Dec 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1997 Total Coliform Rule
Dec 1, 1997 Dec 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Dec 31, 1997 Total Coliform Rule
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —

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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