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COULTER WATER SUPPLY

Iowa — Community Water System — PWSID: IA3525079

System Information

PWSIDIA3525079
System NameCOULTER 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
CityCOULTER
ZIP Code50431
AddressATTN MIKE EDDY WATER SUPT
OrganizationCOULTER WATER SUPPLY
Phone641-866-6748

Population & Service

Population Served219
Service Connections121

Drinking Water Violations (50)

This water system has 50 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, 2023 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2023 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2023 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2023 Aug 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2023 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2023 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2023 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2023 Aug 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Sep 29, 2008 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Sep 29, 2008 Consumer Confidence Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Sep 29, 2008 Consumer Confidence Rule
Jul 1, 2008 Aug 31, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 Aug 31, 2010 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2010 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2008 — Consumer Confidence Rule Other No No — — — Resolved Sep 29, 2008 Consumer Confidence Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Oct 1, 1995 Oct 31, 1995 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1995 Total Coliform Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Sep 1, 1995 Sep 30, 1995 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 1995 Total Coliform Rule
Jul 1, 1986 Jun 30, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1989 Nitrate Rule
Jul 1, 1986 Jun 30, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1989 Nitrate Rule
Jul 1, 1986 Jun 30, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1989 Nitrate Rule
Jul 1, 1986 Jun 30, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1989 Nitrate Rule
Jul 1, 1986 Jun 30, 1989 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1989 Nitrate Rule
— — — No No — — — — — —
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— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — No No — — — — — —
— — — 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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