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DEDHAM WATER SUPPLY

Iowa — Community Water System — PWSID: IA1433016

System Information

PWSIDIA1433016
System NameDEDHAM WATER SUPPLY
System TypeCommunity Water System
Water SourceGround Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityDEDHAM
ZIP Code51440
AddressATTN HEATHER BADDING
OrganizationDEDHAM WATER SUPPLY
Phone712-830-4415

Population & Service

Population Served221
Service Connections120

Drinking Water Violations (195)

This water system has 195 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
Aug 1, 2025 Aug 31, 2025 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Aug 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Sep 11, 2025 Consumer Confidence Rule
Jul 1, 2025 — Consumer Confidence Rule Other No No — — — Resolved Sep 11, 2025 Consumer Confidence Rule
Oct 1, 2024 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper 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
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
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 2, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 2, 2023 Consumer Confidence Rule
Jul 1, 2023 — Consumer Confidence Rule Other No No — — — Resolved Oct 2, 2023 Consumer Confidence Rule
Jun 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 23, 2024 Lead and Copper Rule
Jun 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 23, 2024 Lead and Copper Rule
Jun 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 23, 2024 Lead and Copper Rule
Jun 1, 2023 — Lead and Copper Rule MR No No — TT — Resolved Sep 23, 2024 Lead and Copper Rule
Sep 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Apr 26, 2023 Lead and Copper Rule
Sep 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Apr 26, 2023 Lead and Copper Rule
Aug 1, 2022 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Aug 31, 2022 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2022 Aug 31, 2022 TTHM MR No Yes — 0.080 mg/L — Resolved Aug 31, 2022 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 2, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 2, 2023 Consumer Confidence Rule
Jul 1, 2022 — Consumer Confidence Rule Other No No — — — Resolved Mar 2, 2023 Consumer Confidence Rule
Mar 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Apr 26, 2023 Lead and Copper Rule
Mar 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Apr 26, 2023 Lead and Copper Rule
Mar 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Apr 26, 2023 Lead and Copper Rule
Aug 1, 2021 Aug 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Aug 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2021 Aug 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Aug 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2021 Aug 31, 2021 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Aug 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2021 Aug 31, 2021 TTHM MR No Yes — 0.080 mg/L — Archived Aug 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2021 Aug 31, 2021 TTHM MR No Yes — 0.080 mg/L — Archived Aug 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Aug 1, 2021 Aug 31, 2021 TTHM MR No Yes — 0.080 mg/L — Archived Aug 31, 2021 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Sep 23, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Sep 23, 2021 Consumer Confidence Rule
Oct 1, 2020 Dec 31, 2020 Selenium MCL Yes No .06 MG/L 0.05 mg/L — Resolved Dec 31, 2020 Inorganic Chemicals
Oct 1, 2020 Dec 31, 2020 Selenium MCL Yes No .06 MG/L 0.05 mg/L — Resolved Dec 31, 2020 Inorganic Chemicals
Oct 1, 2020 Dec 31, 2020 Selenium MCL Yes No .06 MG/L 0.05 mg/L — Resolved Dec 31, 2020 Inorganic Chemicals
Oct 1, 2020 Dec 31, 2020 Selenium MCL Yes No .06 MG/L 0.05 mg/L — Resolved Dec 31, 2020 Inorganic Chemicals
Oct 1, 2020 Dec 31, 2020 Selenium MCL Yes No .06 MG/L 0.05 mg/L — Resolved Dec 31, 2020 Inorganic Chemicals
Oct 1, 2020 Dec 31, 2020 Selenium MCL Yes No .06 MG/L 0.05 mg/L — Resolved Dec 31, 2020 Inorganic Chemicals

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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