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OXFORD WATER SUPPLY

Iowa — Community Water System — PWSID: IA5260017

System Information

PWSIDIA5260017
System NameOXFORD 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
CityOXFORD
ZIP Code52322
AddressATTN BRIAN PORTWOOD OPERATOR
OrganizationOXFORD WATER SUPPLY
Phone319-936-4189

Population & Service

Population Served722
Service Connections373

Drinking Water Violations (119)

This water system has 119 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 — Consumer Confidence Rule Other No No — — — Resolved Jan 22, 2025 Consumer Confidence Rule
Jul 1, 2024 — Consumer Confidence Rule Other No No — — — Resolved Jan 22, 2025 Consumer Confidence 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
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Sep 1, 2023 Sep 30, 2023 Revised Total Coliform Rule MON No Yes — — — Resolved Sep 30, 2023 Revised Total Coliform Rule
Aug 9, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 7, 2019 Revised Total Coliform Rule
Aug 9, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 7, 2019 Revised Total Coliform Rule
Aug 9, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 7, 2019 Revised Total Coliform Rule
Aug 9, 2018 — Revised Total Coliform Rule RPT No No — — — Resolved Jan 7, 2019 Revised Total Coliform Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Sep 24, 2015 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Sep 24, 2015 Consumer Confidence Rule
Jul 1, 2015 — Consumer Confidence Rule Other No No — — — Resolved Sep 24, 2015 Consumer Confidence Rule
Jun 1, 2014 Jun 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2014 Total Coliform Rule
Jun 1, 2014 Jun 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2014 Total Coliform Rule
Jun 1, 2014 Jun 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2014 Total Coliform Rule
Jun 1, 2014 Jun 30, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 2014 Total Coliform Rule
Jul 1, 2013 Jul 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2013 Jul 31, 2013 TTHM MR No Yes — 0.080 mg/L — Resolved Jul 31, 2013 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Aug 31, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Aug 31, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Aug 31, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2006 Aug 31, 2006 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Jul 28, 2006 Lead and Copper Rule
Jan 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Jul 28, 2006 Lead and Copper Rule
Jan 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Jul 28, 2006 Lead and Copper Rule
Jan 1, 2006 — Lead and Copper Rule MR No No — TT — Resolved Jul 28, 2006 Lead and Copper Rule
Jan 1, 2006 Mar 31, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2006 Mar 31, 2006 Chlorine MR No Yes — 4.0 mg/L — Resolved Mar 31, 2006 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2005 Dec 31, 2005 Chlorine MR No No — 4.0 mg/L — Resolved Dec 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Aug 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Aug 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 Aug 31, 2005 Total Haloacetic Acids (HAA5) MR No Yes — 0.060 mg/L — Resolved Aug 31, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2005 — Consumer Confidence Rule Other No No — — — Resolved Feb 24, 2006 Consumer Confidence Rule
Jul 1, 2005 — Consumer Confidence Rule Other No No — — — Resolved Feb 24, 2006 Consumer Confidence Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2005 Jun 30, 2005 Chlorine MR No No — 4.0 mg/L — Resolved Jun 30, 2005 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2005 Feb 28, 2005 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 28, 2005 Total Coliform Rule

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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