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HUMESTON WATER PLANT

Iowa — Community Water System — PWSID: IA9348065

System Information

PWSIDIA9348065
System NameHUMESTON WATER PLANT
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityHUMESTON
ZIP Code50123
AddressPO BOX 188
OrganizationHUMESTON WATER PLANT
Phone641-877-6841

Population & Service

Population Served462
Service Connections359

Drinking Water Violations (52)

This water system has 52 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
Sep 25, 2024 — Public Notice Other No No — — — Resolved Aug 10, 2025 Public Notice Rule and Revised PN Rule
Sep 25, 2024 — Public Notice Other No No — — — Resolved Aug 10, 2025 Public Notice Rule and Revised PN Rule
Sep 25, 2024 — Public Notice Other No No — — — Resolved Aug 10, 2025 Public Notice Rule and Revised PN Rule
Sep 25, 2024 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Sep 25, 2024 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Sep 25, 2024 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 1, 2023 Jul 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Jul 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Jul 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Jul 31, 2023 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Jul 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2023 Jul 31, 2023 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2023 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2022 Oct 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Oct 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts 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, 2012 Dec 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Dec 31, 2012 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 TTHM MR No Yes — 0.080 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2012 Sep 30, 2012 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Sep 30, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2004 Mar 31, 2004 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2004 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jun 25, 1982 Jun 24, 1983 Nitrate MR No Yes — 10 mg/L — Archived Jun 24, 1983 Nitrate Rule
— — — 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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