POSTS TRAILER COURT

Montana - Community Water System - PWSID: MT0000554

System Information

PWSIDMT0000554
System NamePOSTS TRAILER COURT
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedMar 5, 1980
Last ReportedMar 26, 2026

Location & Contact

StateMontana
CityLIBBY
ZIP Code59923
Address506 PARK ST NO 12
OrganizationWARREN, TRAVIS
Phone406-283-1593

Population & Service

Population Served45
Service Connections20

Drinking Water Violations (72)

This water system has 72 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, 2025 - Other No No - - - Resolved Oct 6, 2025 -
Oct 1, 2025 - Other No No - - - Resolved Oct 6, 2025 -
Jul 1, 2025 - Other No No - - - Resolved Jul 17, 2025 -
Jul 1, 2025 - Other No No - - - Resolved Jul 17, 2025 -
Feb 1, 2025 Feb 28, 2025 MON No Yes - - - Resolved Feb 28, 2025 -
Feb 1, 2025 Feb 28, 2025 MON No Yes - - - Resolved Feb 28, 2025 -
Feb 1, 2025 Feb 28, 2025 MON No Yes - - - Resolved Feb 28, 2025 -
Jul 1, 2024 - MR No No - TT - Resolved Jun 30, 2024 -
Jul 1, 2024 - Other No No - - - Resolved Sep 13, 2024 -
Jul 1, 2024 - Other No No - - - Resolved Sep 13, 2024 -
Jul 1, 2024 - MR No No - TT - Resolved Jun 30, 2025 -
Jul 1, 2024 - MR No No - TT - Resolved Jun 30, 2025 -
Jul 1, 2024 - MR No No - TT - Resolved Jun 30, 2025 -
Jul 1, 2024 - MR No No - TT - Resolved Jun 30, 2024 -
Jul 1, 2024 - MR No No - TT - Resolved Jun 30, 2024 -
Jan 1, 2024 Dec 31, 2024 MR No Yes - - - Resolved Dec 31, 2024 -
Jan 1, 2024 Dec 31, 2024 MR No Yes - - - Resolved Dec 31, 2024 -
Jan 1, 2024 Dec 31, 2024 MR No Yes - - - Resolved Dec 31, 2024 -
Jan 1, 2024 - MR No No - TT - Resolved Jun 30, 2024 -
Jan 1, 2024 - MR No No - TT - Resolved Jun 30, 2024 -
Jan 1, 2024 - MR No No - TT - Resolved Jun 30, 2024 -
Oct 1, 2023 - Other No No - - - Resolved Jan 2, 2024 -
Oct 1, 2023 - Other No No - - - Resolved Jan 2, 2024 -
Sep 29, 2023 - MR No No - TT - Resolved Apr 1, 2024 -
Sep 29, 2023 - MR No No - TT - Resolved Apr 1, 2024 -
Jul 1, 2023 - Other No No - - - Resolved Sep 5, 2023 -
Jul 1, 2023 - Other No No - - - Resolved Sep 5, 2023 -
Jul 1, 2020 - Other No No - - - Resolved Jul 27, 2020 -
Jul 1, 2020 - Other No No - - - Resolved Jul 27, 2020 -
Oct 1, 2019 - Other No No - - - Resolved Oct 26, 2019 -
Oct 1, 2019 - Other No No - - - Resolved Oct 26, 2019 -
Jul 1, 2019 - Other No No - - - Resolved Oct 26, 2019 -
Jul 1, 2019 - Other No No - - - Resolved Oct 26, 2019 -
Sep 1, 2015 Sep 30, 2015 MCL Yes No - 5% of samples - Resolved Sep 30, 2015 -
Sep 1, 2015 Sep 30, 2015 MCL Yes No - 5% of samples - Resolved Sep 30, 2015 -
Sep 1, 2015 Sep 30, 2015 MCL Yes No - 5% of samples - Resolved Sep 30, 2015 -
Sep 1, 2015 Sep 30, 2015 MCL Yes No - 5% of samples - Resolved Sep 30, 2015 -
Sep 1, 2015 Sep 30, 2015 MCL Yes No - 5% of samples - Resolved Sep 30, 2015 -
Jan 1, 2011 - MR No No - TT - Resolved Mar 22, 2011 -
Jan 1, 2011 - MR No No - TT - Resolved Mar 22, 2011 -
Jan 1, 2011 Dec 31, 2013 MR No Yes - 7 MFL - Archived Dec 31, 2013 -
Jan 1, 2011 Dec 31, 2013 MR No Yes - 7 MFL - Archived Dec 31, 2013 -
Nov 1, 2010 Nov 30, 2010 MR No No - 5% of samples - Resolved Nov 8, 2010 -
Nov 1, 2010 Nov 30, 2010 MR No No - 5% of samples - Resolved Nov 8, 2010 -
Nov 1, 2010 Nov 30, 2010 MR No No - 5% of samples - Resolved Nov 8, 2010 -
Oct 1, 2010 Oct 31, 2010 MCL Yes No - 5% of samples - Resolved Oct 31, 2010 -
Oct 1, 2010 Oct 31, 2010 MCL Yes No - 5% of samples - Resolved Oct 31, 2010 -
Oct 1, 2010 Oct 31, 2010 MCL Yes No - 5% of samples - Resolved Oct 31, 2010 -
Oct 1, 2010 Oct 31, 2010 MCL Yes No - 5% of samples - Resolved Oct 31, 2010 -
Oct 1, 2010 Oct 31, 2010 MCL Yes No - 5% of samples - Resolved Oct 31, 2010 -

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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