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MISSION MOUNTAIN LAKE CO W AND S DIST

Montana — Community Water System — PWSID: MT0003801

System Information

PWSIDMT0003801
System NameMISSION MOUNTAIN LAKE CO W AND S DIST
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypePrivate
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedApr 24, 1995
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityRONAN
ZIP Code59864
AddressPO BOX 519
OrganizationBURDEN, GERALD A
Phone406-249-2270

Population & Service

Population Served118
Service Connections39

Drinking Water Violations (14)

This water system has 14 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, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2021 Revised Total Coliform Rule
Oct 1, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2021 Revised Total Coliform Rule
Oct 1, 2021 Oct 31, 2021 Revised Total Coliform Rule MON No Yes — — — Resolved Oct 31, 2021 Revised Total Coliform Rule
Apr 1, 1999 Apr 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 1999 Total Coliform Rule
Apr 1, 1999 Apr 30, 1999 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Apr 30, 1999 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1997 Total Coliform Rule
Oct 1, 1997 Oct 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 1997 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 1997 Total Coliform Rule
Aug 1, 1997 Aug 31, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 1997 Total Coliform Rule
Jun 1, 1997 Jun 30, 1997 Coliform (TCR) MR No No — 5% of samples — Resolved Jun 30, 1997 Total Coliform Rule
Jan 1, 1996 Dec 31, 1998 Antimony, Total MR No Yes — 0.006 mg/L — Resolved Dec 31, 1998 Inorganic Chemicals
Jan 1, 1996 Dec 31, 1998 Thallium, Total MR No Yes — 0.002 mg/L — Resolved Dec 31, 1998 Inorganic Chemicals
Jan 1, 1996 Dec 31, 1998 Nickel MR No Yes — — — Resolved Dec 31, 1998 Inorganic Chemicals
Jan 1, 1996 Dec 31, 1998 Beryllium, Total MR No Yes — 0.004 mg/L — Resolved Dec 31, 1998 Inorganic Chemicals

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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