BUTTE SILVERBOW WATER DEPT

Montana - Community Water System - PWSID: MT0000170

System Information

PWSIDMT0000170
System NameBUTTE SILVERBOW WATER DEPT
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedMar 26, 2026

Location & Contact

StateMontana
CityBUTTE
ZIP Code59701
Address126 W GRANITE
OrganizationNEARY, MARK
Phone406-497-6519

Population & Service

Population Served33,000
Service Connections12,958

Drinking Water Violations (335)

This water system has 335 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 20, 2025 -
Oct 1, 2025 - Other No No - - - Resolved Oct 20, 2025 -
Jan 1, 2024 Mar 31, 2024 MR No Yes - 0.080 mg/L - Resolved Mar 31, 2024 -
Jan 1, 2024 Mar 31, 2024 MR No Yes - 0.060 mg/L - Resolved Mar 31, 2024 -
Jan 1, 2024 Mar 31, 2024 MR No Yes - 0.060 mg/L - Resolved Mar 31, 2024 -
Jan 1, 2024 Mar 31, 2024 MR No Yes - 0.080 mg/L - Resolved Mar 31, 2024 -
Jan 1, 2024 Mar 31, 2024 MR No Yes - 0.080 mg/L - Resolved Mar 31, 2024 -
Jan 1, 2024 Mar 31, 2024 MR No Yes - 0.060 mg/L - Resolved Mar 31, 2024 -
Apr 24, 2012 - TT Yes No - - - Resolved May 16, 2017 -
Apr 24, 2012 - TT Yes No - - - Resolved May 16, 2017 -
Apr 24, 2012 - TT Yes No - - - Resolved May 16, 2017 -
Apr 24, 2012 - TT Yes No - - - Resolved May 16, 2017 -
Apr 24, 2012 - TT Yes No - - - Resolved May 16, 2017 -
Apr 24, 2012 - TT Yes No - - - Resolved May 16, 2017 -
Apr 1, 2012 Apr 30, 2012 MR No No - 5% of samples - Resolved Apr 25, 2012 -
Apr 1, 2012 Apr 30, 2012 MR No No - 5% of samples - Resolved Apr 25, 2012 -
Apr 1, 2012 Apr 30, 2012 MR No No - 5% of samples - Resolved Apr 25, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.1 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.1 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.7 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.1 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.7 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.7 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.010 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - - - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.1 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.1 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.1 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.1 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.010 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.7 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - - - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.005 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - - - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - - - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.7 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.07 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.010 mg/L - Resolved Dec 31, 2012 -
Jan 1, 2012 Dec 31, 2012 MR No Yes - 0.07 mg/L - Resolved Dec 31, 2012 -

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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