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RED OAK WATER SUPPLY

Iowa — Community Water System — PWSID: IA6950075

System Information

PWSIDIA6950075
System NameRED OAK 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
CityRED OAK
ZIP Code51566
AddressATTN BOYD ROLAND WATER SUPERINTENDENT
OrganizationRED OAK WATER SUPPLY
Phone712-623-6526

Population & Service

Population Served5,596
Service Connections2,702

Drinking Water Violations (352)

This water system has 352 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
Jul 1, 2024 Sep 30, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2024 Nitrate Rule
Jul 1, 2024 Sep 30, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2024 Nitrate Rule
Jul 1, 2024 Sep 30, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2024 Nitrate Rule
Jul 1, 2024 Sep 30, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2024 Nitrate Rule
Oct 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Oct 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Oct 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Oct 1, 2018 Dec 31, 2018 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2018 Nitrate Rule
Jul 1, 2018 Jun 30, 2024 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2018 Jun 30, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2018 Jun 30, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2018 Jun 30, 2024 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2018 Jun 30, 2024 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2018 Jun 30, 2024 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2014 Jul 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2014 Jul 31, 2014 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2014 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2014 Dec 31, 2014 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2014 Nitrate Rule
Jan 1, 2009 Dec 31, 2014 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile Organic Chemicals
Jan 1, 2009 Dec 31, 2014 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2014 Volatile 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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