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OSKALOOSA MUNICIPAL WATER DEPT

Iowa — Community Water System — PWSID: IA6273005

System Information

PWSIDIA6273005
System NameOSKALOOSA MUNICIPAL WATER DEPT
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityOSKALOOSA
ZIP Code52577
AddressGENERAL MANAGER
OrganizationOSKALOOSA MUNICIPAL WATER DEPT
Phone641-673-8476

Population & Service

Population Served12,808
Service Connections5,400

Drinking Water Violations (235)

This water system has 235 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
Jan 1, 2024 Mar 31, 2024 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Jan 1, 2024 Mar 31, 2024 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Mar 31, 2024 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Oct 1, 2023 Dec 31, 2023 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Dec 31, 2023 Synthetic Organic Chemicals
Feb 1, 2021 Feb 28, 2021 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2021 Revised Total Coliform Rule
Feb 1, 2021 Feb 28, 2021 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2021 Revised Total Coliform Rule
Feb 1, 2021 Feb 28, 2021 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2021 Revised Total Coliform Rule
Feb 1, 2021 Feb 28, 2021 Revised Total Coliform Rule MON No No — — — Resolved Feb 28, 2021 Revised Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Aug 1, 2015 Aug 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Aug 31, 2015 Total Coliform Rule
Oct 1, 2014 Dec 31, 2014 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 CARBON, TOTAL MR No Yes — TT — Resolved Dec 31, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 CARBON, TOTAL MR No Yes — TT — Resolved Jun 5, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 CARBON, TOTAL MR No Yes — TT — Resolved Jun 5, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 CARBON, TOTAL MR No Yes — TT — Resolved Jun 5, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2012 Jun 30, 2012 CARBON, TOTAL MR No Yes — TT — Resolved Jun 5, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Feb 1, 2011 Feb 28, 2011 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 2011 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2011 Feb 28, 2011 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 2011 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2011 Feb 28, 2011 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 2011 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Feb 1, 2011 Feb 28, 2011 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Feb 28, 2011 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Sep 1, 2009 Sep 30, 2009 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2009 Total Coliform Rule
Oct 1, 2008 Oct 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2008 Oct 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2008 Oct 31, 2008 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2008 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2007 Aug 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2007 Aug 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2007 Aug 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Aug 1, 2007 Aug 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Aug 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 2007 May 31, 2007 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved May 31, 2007 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
May 1, 1999 May 31, 1999 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 1999 Total Coliform Rule
Apr 1, 1999 Apr 30, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1999 Surface Water Treatment Rule
Apr 1, 1999 Apr 30, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1999 Surface Water Treatment Rule
Apr 1, 1999 Apr 30, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1999 Surface Water Treatment Rule
Apr 1, 1999 Apr 30, 1999 Surface Water Treatment Rule TT Yes No — — — Resolved Apr 30, 1999 Surface Water Treatment 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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