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IVANHOE WATER INC

Montana — Transient Non-Community — PWSID: MT0004390

System Information

PWSIDMT0004390
System NameIVANHOE WATER INC
System TypeTransient Non-Community
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedAug 17, 2004
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityPOLSON
ZIP Code59860
AddressPO BOX 1232
OrganizationMARENGO, BRAD
Phone406-249-1493

Population & Service

Population Served178
Service Connections7

Drinking Water Violations (160)

This water system has 160 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
Sep 1, 2025 Sep 30, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Sep 30, 2025 Revised Total Coliform Rule
Sep 1, 2025 Sep 30, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Sep 30, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Jun 30, 2025 Revised Total Coliform Rule
Jun 1, 2025 Jun 30, 2025 Revised Total Coliform Rule MON No Yes — — — Archived Jun 30, 2025 Revised Total Coliform Rule
May 1, 2025 May 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived May 31, 2025 Revised Total Coliform Rule
May 1, 2025 May 31, 2025 Revised Total Coliform Rule MON No Yes — — — Archived May 31, 2025 Revised Total Coliform Rule
Oct 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2024 Revised Total Coliform Rule
Oct 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2024 Revised Total Coliform Rule
Oct 1, 2024 Oct 31, 2024 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2024 Revised Total Coliform Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Archived Dec 31, 2024 Nitrate Rule
Jan 1, 2024 Dec 31, 2024 Nitrate-Nitrite MR No Yes — — — Archived Dec 31, 2024 Nitrate Rule
Jan 1, 2017 Dec 31, 2017 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2017 Nitrate Rule
Jan 1, 2017 Dec 31, 2017 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2017 Nitrate Rule
Jan 1, 2017 Dec 31, 2017 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2017 Nitrate Rule
Jan 1, 2017 Dec 31, 2017 Nitrate-Nitrite MR No Yes — — — Resolved Dec 31, 2017 Nitrate Rule
Jul 1, 2016 Jul 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2016 Revised Total Coliform Rule
Jul 1, 2016 Jul 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2016 Revised Total Coliform Rule
Jul 1, 2016 Jul 31, 2016 Revised Total Coliform Rule MON No Yes — — — Resolved Jul 31, 2016 Revised Total Coliform Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Dec 1, 2023 Revised Total Coliform Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Dec 1, 2023 Revised Total Coliform Rule
Apr 2, 2016 — Revised Total Coliform Rule Other No No — — — Resolved Dec 1, 2023 Revised Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Mar 1, 2015 Mar 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Mar 31, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Feb 1, 2015 Feb 28, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Feb 28, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Jan 1, 2015 Jan 31, 2015 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Jan 31, 2015 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Dec 1, 2014 Dec 31, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Dec 31, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 Total Coliform Rule
Nov 1, 2014 Nov 30, 2014 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Nov 30, 2014 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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