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Dassel-Cokato High School/Middle School

Minnesota — Non-Transient Non-Community — PWSID: MN5860059

System Information

PWSIDMN5860059
System NameDassel-Cokato High School/Middle School
System TypeNon-Transient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypeState
EPA Region05
Serves SchoolYes
WholesalerNo
First ReportedJan 23, 1981
Last ReportedNov 25, 2025

Location & Contact

StateMinnesota
CityCokato
ZIP Code55321
Address4852 Reardon Avenue SW
OrganizationDassel-Cokato High School/Middle School
Phone—

Population & Service

Population Served1,600
Service Connections2

Drinking Water Violations (53)

This water system has 53 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, 2017 Oct 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2017 Revised Total Coliform Rule
Oct 1, 2017 Oct 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2017 Revised Total Coliform Rule
Oct 1, 2017 Oct 31, 2017 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2017 Revised Total Coliform Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No No — 4.0 mg/L — Resolved Nov 6, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No No — 4.0 mg/L — Resolved Nov 6, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2017 Dec 31, 2017 Chlorine MR No No — 4.0 mg/L — Resolved Nov 6, 2017 Stage 1 Disinfectants and Disinfection Byproducts Rule
Mar 1, 2016 Mar 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2016 Total Coliform Rule
Mar 1, 2016 Mar 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2016 Total Coliform Rule
Mar 1, 2016 Mar 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Feb 1, 2016 Feb 29, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Feb 29, 2016 Total Coliform Rule
Jan 1, 2016 Mar 31, 2016 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Jan 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2016 Total Coliform Rule
Jan 1, 2016 Jan 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2016 Total Coliform Rule
Jan 1, 2016 Mar 31, 2016 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Jan 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2016 Total Coliform Rule
Jan 1, 2016 Jan 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2016 Total Coliform Rule
Jan 1, 2016 Jan 31, 2016 Coliform (TCR) MR No No — 5% of samples — Resolved Jan 31, 2016 Total Coliform Rule
Jan 1, 2016 Mar 31, 2016 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2016 Arsenic Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2016 Arsenic Rule
Jan 1, 2016 Mar 31, 2016 Chlorine MR No No — 4.0 mg/L — Resolved Mar 31, 2016 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2016 Arsenic Rule
Jan 1, 2016 Mar 31, 2016 Arsenic MR No Yes — 0.010 mg/L — Resolved Mar 31, 2016 Arsenic Rule
Nov 1, 2015 Nov 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2015 Total Coliform Rule
Nov 1, 2015 Nov 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2015 Total Coliform Rule
Nov 1, 2015 Nov 30, 2015 Coliform (TCR) MR No No — 5% of samples — Resolved Nov 30, 2015 Total Coliform Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No No — 4.0 mg/L — Resolved Dec 16, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No No — 4.0 mg/L — Resolved Dec 16, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Dec 31, 2014 Chlorine MR No No — 4.0 mg/L — Resolved Dec 16, 2014 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Oct 1, 2014 Oct 31, 2014 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2014 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Aug 1, 2012 Aug 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2012 Total Coliform Rule
Oct 1, 2007 Oct 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2007 Total Coliform Rule
Oct 1, 2007 Oct 31, 2007 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2007 Total Coliform Rule
May 1, 2006 May 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2006 Total Coliform Rule
May 1, 2006 May 31, 2006 Coliform (TCR) MR No No — 5% of samples — Resolved May 31, 2006 Total Coliform Rule
Nov 1, 2004 Nov 30, 2004 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 2004 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MR No No — 5% of samples — Archived Aug 31, 2003 Total Coliform Rule
Jan 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 13, 1994 Total Coliform Rule
Jan 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 13, 1994 Total Coliform Rule
Jan 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 13, 1994 Total Coliform Rule
Jan 1, 1994 Dec 31, 1994 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Oct 13, 1994 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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