SHELBY ADDITION WATER DISTRICT

Montana — Community Water System — PWSID: MT0002800

System Information

PWSIDMT0002800
System NameSHELBY ADDITION WATER DISTRICT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedDec 30, 1983
Last ReportedMar 26, 2026

Location & Contact

StateMontana
CityMISSOULA
ZIP Code59806
AddressPO BOX 1750
OrganizationMEFFORD, ANDY
Phone406-728-1880

Population & Service

Population Served145
Service Connections65

Drinking Water Violations (93)

This water system has 93 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, 2018 Other No No Resolved Jul 24, 2018
Jul 1, 2018 Other No No Resolved Jul 24, 2018
Aug 1, 2014 Aug 31, 2014 MCL Yes No 5% of samples Resolved Aug 31, 2014
Aug 1, 2014 Aug 31, 2014 MCL Yes No 5% of samples Resolved Aug 31, 2014
Aug 1, 2014 Aug 31, 2014 MCL Yes No 5% of samples Resolved Aug 31, 2014
Aug 1, 2014 Aug 31, 2014 MCL Yes No 5% of samples Resolved Aug 31, 2014
Sep 1, 2012 MR No Yes Resolved Oct 25, 2012
Sep 1, 2012 MR No Yes Resolved Oct 25, 2012
Sep 1, 2012 MR No Yes Resolved Oct 25, 2012
Sep 1, 2012 MR No Yes Resolved Oct 25, 2012
Sep 1, 2012 MR No Yes Resolved Oct 25, 2012
Sep 1, 2012 MR No Yes Resolved Oct 25, 2012
Sep 1, 2012 Sep 30, 2012 MCL Yes No 5% of samples Resolved Sep 30, 2012
Sep 1, 2012 Sep 30, 2012 MCL Yes No 5% of samples Resolved Sep 30, 2012
Sep 1, 2012 Sep 30, 2012 MCL Yes No 5% of samples Resolved Sep 30, 2012
Sep 1, 2012 Sep 30, 2012 MCL Yes No 5% of samples Resolved Sep 30, 2012
Sep 1, 2012 Sep 30, 2012 MCL Yes No 5% of samples Resolved Sep 30, 2012
Oct 1, 2008 Oct 31, 2008 MCL Yes No 5% of samples Resolved Oct 31, 2008
Oct 1, 2008 Oct 31, 2008 MCL Yes No 5% of samples Resolved Oct 31, 2008
Oct 1, 2008 Oct 31, 2008 MCL Yes No 5% of samples Resolved Oct 31, 2008
Oct 1, 2008 Oct 31, 2008 MCL Yes No 5% of samples Resolved Oct 31, 2008
Oct 1, 2008 Oct 31, 2008 MCL Yes No 5% of samples Resolved Oct 31, 2008
Jul 1, 2007 Other No No Resolved Jul 31, 2008
Jul 1, 2007 Other No No Resolved Jul 31, 2008
Jul 1, 2007 Other No No Resolved Jul 31, 2008
May 1, 2007 May 31, 2007 MCL Yes No 5% of samples Resolved May 31, 2007
May 1, 2007 May 31, 2007 MCL Yes No 5% of samples Resolved May 31, 2007
May 1, 2007 May 31, 2007 MCL Yes No 5% of samples Resolved May 31, 2007
May 1, 2007 May 31, 2007 MCL Yes No 5% of samples Resolved May 31, 2007
May 1, 2007 May 31, 2007 MCL Yes No 5% of samples Resolved May 31, 2007
Jul 1, 2006 Jul 31, 2006 MCL Yes No 5% of samples Resolved Jul 31, 2006
Jul 1, 2006 Jul 31, 2006 MCL Yes No 5% of samples Resolved Jul 31, 2006
Jul 1, 2006 Jul 31, 2006 MCL Yes No 5% of samples Resolved Jul 31, 2006
Jul 1, 2006 Jul 31, 2006 MCL Yes No 5% of samples Resolved Jul 31, 2006
Jul 1, 2006 Jul 31, 2006 MCL Yes No 5% of samples Resolved Jul 31, 2006
Dec 1, 2005 Dec 31, 2005 MCL Yes No 5% of samples Resolved Dec 31, 2005
Dec 1, 2005 Dec 31, 2005 MCL Yes No 5% of samples Resolved Dec 31, 2005
Dec 1, 2005 Dec 31, 2005 MCL Yes No 5% of samples Resolved Dec 31, 2005
Dec 1, 2005 Dec 31, 2005 MCL Yes No 5% of samples Resolved Dec 31, 2005
Dec 1, 2005 Dec 31, 2005 MCL Yes No 5% of samples Resolved Dec 31, 2005
Dec 1, 2005 Dec 31, 2005 MCL Yes No 5% of samples Resolved Dec 31, 2005
Apr 1, 2005 Apr 30, 2005 MCL Yes No 5% of samples Resolved Apr 30, 2005
Apr 1, 2005 Apr 30, 2005 MCL Yes No 5% of samples Resolved Apr 30, 2005
Apr 1, 2005 Apr 30, 2005 MCL Yes No 5% of samples Resolved Apr 30, 2005
Apr 1, 2005 Apr 30, 2005 MCL Yes No 5% of samples Resolved Apr 30, 2005
Apr 1, 2005 Apr 30, 2005 MCL Yes No 5% of samples Resolved Apr 30, 2005
Apr 1, 2005 Apr 30, 2005 MCL Yes No 5% of samples Resolved Apr 30, 2005
Oct 1, 2004 Oct 31, 2004 MCL Yes No 5% of samples Resolved Oct 31, 2004
Oct 1, 2004 Oct 31, 2004 MCL Yes No 5% of samples Resolved Oct 31, 2004
Oct 1, 2004 Oct 31, 2004 MCL Yes No 5% of samples Resolved Oct 31, 2004

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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