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OAK LAKE MAINTENANCE, INC.

Iowa — Community Water System — PWSID: IA5500838

System Information

PWSIDIA5500838
System NameOAK LAKE MAINTENANCE, INC.
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedDec 19, 2025

Location & Contact

StateIowa
CityWHITTEMORE
ZIP Code50598
AddressATTN BRIAN KLEIN NORTH IOWA ENVIR
OrganizationOAK LAKE MAINTENANCE
Phone515-320-1122

Population & Service

Population Served128
Service Connections53

Drinking Water Violations (81)

This water system has 81 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
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Jun 1, 2019 Jun 30, 2019 Revised Total Coliform Rule MON No Yes — — — Resolved Jun 30, 2019 Revised Total Coliform Rule
Aug 1, 2018 Aug 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2018 Revised Total Coliform Rule
Aug 1, 2018 Aug 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2018 Revised Total Coliform Rule
Aug 1, 2018 Aug 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2018 Revised Total Coliform Rule
Aug 1, 2018 Aug 31, 2018 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2018 Revised Total Coliform Rule
Oct 1, 2008 Sep 30, 2014 Atrazine MR No Yes — 0.003 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Simazine MR No Yes — 0.004 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Simazine MR No Yes — 0.004 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Simazine MR No Yes — 0.004 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Atrazine MR No Yes — 0.003 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Atrazine MR No Yes — 0.003 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Atrazine MR No Yes — 0.003 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Simazine MR No Yes — 0.004 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 LASSO MR No Yes — — — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 LASSO MR No Yes — — — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 LASSO MR No Yes — — — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 LASSO MR No Yes — — — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Di(2-ethylhexyl) phthalate MR No Yes — 0.006 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2008 Sep 30, 2014 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Sep 30, 2014 Synthetic Organic Chemicals
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2005 Total Coliform Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2005 Total Coliform Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2005 Total Coliform Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2005 Total Coliform Rule
Oct 1, 2005 Oct 31, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 31, 2005 Total Coliform Rule
Jul 1, 1996 Jun 30, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1997 Nitrate Rule
Jul 1, 1996 Jun 30, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1997 Nitrate Rule
Jul 1, 1996 Jun 30, 1997 Nitrate MR No Yes — 10 mg/L — Resolved Jun 30, 1997 Nitrate Rule
Oct 1, 1995 Sep 30, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1996 Nitrate Rule
Oct 1, 1995 Sep 30, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1996 Nitrate Rule
Oct 1, 1995 Sep 30, 1996 Nitrate MR No Yes — 10 mg/L — Resolved Sep 30, 1996 Nitrate Rule
Jul 1, 1995 Jul 31, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jul 31, 1995 Volatile Organic Chemicals
Jul 1, 1995 Jul 31, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jul 31, 1995 Volatile Organic Chemicals
Jul 1, 1995 Jul 31, 1995 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Jul 31, 1995 Volatile Organic Chemicals
Jul 1, 1995 Jul 31, 1995 LASSO MR No Yes — — — Resolved Jul 31, 1995 Synthetic Organic Chemicals
Jul 1, 1995 Jul 31, 1995 LASSO MR No Yes — — — Resolved Jul 31, 1995 Synthetic Organic Chemicals
Jul 1, 1995 Jul 31, 1995 LASSO MR No Yes — — — Resolved Jul 31, 1995 Synthetic Organic Chemicals
Sep 1, 1994 Sep 30, 1994 Nitrite MR No Yes — 1 mg/L — Resolved Sep 30, 1994 Nitrate 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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