OTO WATER SUPPLY

Iowa - Community Water System - PWSID: IA9758023

System Information

PWSIDIA9758023
System NameOTO WATER SUPPLY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region07
Serves SchoolNo
WholesalerNo
First ReportedFeb 27, 1979
Last ReportedMar 17, 2026

Location & Contact

StateIowa
CityOTO
ZIP Code51044
AddressATTN DAVE DORALE
OrganizationOTO WATER SUPPLY
Phone712-870-2092

Population & Service

Population Served72
Service Connections54

Drinking Water Violations (82)

This water system has 82 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
Oct 1, 2024 - MR No No - TT - Resolved Jan 30, 2025 -
Oct 1, 2024 - MR No No - TT - Resolved Jan 30, 2025 -
Jul 1, 2024 - Other No No - - - Resolved Aug 22, 2024 -
Jul 1, 2024 - Other No No - - - Resolved Aug 22, 2024 -
Jul 1, 2021 - Other No No - - - Resolved Sep 29, 2021 -
Jul 1, 2021 - Other No No - - - Resolved Sep 29, 2021 -
Apr 1, 2008 Apr 30, 2008 MR No No - 5% of samples - Resolved Apr 30, 2008 -
Apr 1, 2008 Apr 30, 2008 MR No No - 5% of samples - Resolved Apr 30, 2008 -
Apr 1, 2008 Apr 30, 2008 MR No No - 5% of samples - Resolved Apr 30, 2008 -
Apr 1, 2008 Apr 30, 2008 MR No No - 5% of samples - Resolved Apr 30, 2008 -
Jul 1, 2002 Jun 30, 2003 MR No Yes - 10 mg/L - Resolved Jun 30, 2003 -
Jul 1, 2002 Jun 30, 2003 MR No Yes - 10 mg/L - Resolved Jun 30, 2003 -
Jul 1, 2002 Jun 30, 2003 MR No Yes - 10 mg/L - Resolved Jun 30, 2003 -
Oct 1, 1999 Oct 31, 1999 MCL Yes No - 5% of samples - Resolved Oct 31, 1999 -
Oct 1, 1999 Oct 31, 1999 MCL Yes No - 5% of samples - Resolved Oct 31, 1999 -
Oct 1, 1999 Oct 31, 1999 MCL Yes No - 5% of samples - Resolved Oct 31, 1999 -
Oct 1, 1999 Oct 31, 1999 MCL Yes No - 5% of samples - Resolved Oct 31, 1999 -
Oct 1, 1999 Oct 31, 1999 MCL Yes No - 5% of samples - Resolved Oct 31, 1999 -
May 1, 1996 May 31, 1996 MR No No - 5% of samples - Resolved May 31, 1996 -
May 1, 1996 May 31, 1996 MR No No - 5% of samples - Resolved May 31, 1996 -
May 1, 1996 May 31, 1996 MR No No - 5% of samples - Resolved May 31, 1996 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Sep 1, 1993 Sep 30, 1993 MR No No - 5% of samples - Resolved Sep 30, 1993 -
Jun 1, 1993 Jun 30, 1993 MR No No - 5% of samples - Resolved Jun 30, 1993 -
Jun 1, 1993 Jun 30, 1993 MR No No - 5% of samples - Resolved Jun 30, 1993 -
Jun 1, 1993 Jun 30, 1993 MR No No - 5% of samples - Resolved Jun 30, 1993 -
Jun 1, 1993 Jun 30, 1993 MR No No - 5% of samples - Resolved Jun 30, 1993 -
Jun 1, 1993 Jun 30, 1993 MR No No - 5% of samples - Resolved Jun 30, 1993 -
Jun 1, 1993 Jun 30, 1993 MR No No - 5% of samples - Resolved Jun 30, 1993 -
Jul 1, 1986 Jun 30, 1989 MR No Yes - 10 mg/L - Resolved Jun 30, 1989 -
Jul 1, 1986 Jun 30, 1989 MR No Yes - 10 mg/L - Resolved Jun 30, 1989 -
Jul 1, 1986 Jun 30, 1989 MR No Yes - 10 mg/L - Resolved Jun 30, 1989 -
Jul 1, 1986 Jun 30, 1989 MR No Yes - 10 mg/L - Resolved Jun 30, 1989 -
Jul 1, 1986 Jun 30, 1989 MR No Yes - 10 mg/L - Resolved Jun 30, 1989 -
Jul 1, 1986 Jun 30, 1989 MR No Yes - 4.0 mg/L - Resolved Jun 30, 1989 -
Jul 1, 1986 Jun 30, 1989 MR No Yes - 4.0 mg/L - Resolved Jun 30, 1989 -
Jul 1, 1986 Jun 30, 1989 MR No Yes - 4.0 mg/L - Resolved Jun 30, 1989 -

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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