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PLYMOUTH WATER SUPPLY

Iowa — Community Water System — PWSID: IA1759048

System Information

PWSIDIA1759048
System NamePLYMOUTH 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
CityPLYMOUTH
ZIP Code50464
AddressATTN PUBLIC WORKS
OrganizationPLYMOUTH WATER SUPPLY
Phone641-696-3363

Population & Service

Population Served378
Service Connections175

Drinking Water Violations (118)

This water system has 118 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 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Archived Aug 31, 2025 Stage 2 Disinfectants and Disinfection Byproducts 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
Jul 25, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 25, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Jul 25, 2025 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Apr 1, 2024 Mar 31, 2025 Nitrate MR No Yes — 10 mg/L — Archived Mar 31, 2025 Nitrate Rule
Apr 1, 2024 Mar 31, 2025 Nitrate MR No Yes — 10 mg/L — Archived Mar 31, 2025 Nitrate Rule
Dec 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 17, 2023 Lead and Copper Rule
Dec 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 17, 2023 Lead and Copper Rule
Dec 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Feb 17, 2023 Lead and Copper Rule
Jun 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Oct 12, 2022 Lead and Copper Rule
Jun 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Oct 12, 2022 Lead and Copper Rule
Jun 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Oct 12, 2022 Lead and Copper Rule
Jun 1, 2021 — Lead and Copper Rule MR No No — TT — Resolved Oct 12, 2022 Lead and Copper Rule
Oct 1, 2018 Sep 30, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Vinyl chloride MR No Yes — 0.002 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Xylenes, Total MR No Yes — 10 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Xylenes, Total MR No Yes — 10 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Xylenes, Total MR No Yes — 10 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Ethylbenzene MR No Yes — 0.7 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Picloram MR No Yes — 0.5 mg/L — Resolved Sep 30, 2024 Synthetic Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Toluene MR No Yes — 1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Picloram MR No Yes — 0.5 mg/L — Resolved Sep 30, 2024 Synthetic Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Simazine MR No Yes — 0.004 mg/L — Resolved Sep 30, 2024 Synthetic Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Carbon tetrachloride MR No Yes — 0.005 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Sep 30, 2024 Volatile Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Atrazine MR No Yes — 0.003 mg/L — Resolved Sep 30, 2024 Synthetic Organic Chemicals
Oct 1, 2018 Sep 30, 2024 Atrazine MR No Yes — 0.003 mg/L — Resolved Sep 30, 2024 Synthetic Organic 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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