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Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

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HAMILTON CITY OF

Montana — Community Water System — PWSID: MT0000234

System Information

PWSIDMT0000234
System NameHAMILTON CITY OF
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedMar 26, 2026

Location & Contact

StateMontana
CityHAMILTON
ZIP Code59840
Address920 NEW YORK AVE
OrganizationLEWIS, STEPHANIE
Phone406-363-6717

Population & Service

Population Served5,585
Service Connections2,443

Drinking Water Violations (18)

This water system has 18 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
Dec 30, 2017 — MR No No — TT — Resolved Oct 19, 2020 —
Dec 30, 2017 — MR No No — TT — Resolved Oct 19, 2020 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — — — Resolved Mar 12, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — — — Resolved Mar 12, 2012 —
Jan 1, 2012 Dec 31, 2012 MR No Yes — — — Resolved Mar 12, 2012 —
Dec 1, 2011 Dec 31, 2011 MR No No — 5% of samples — Resolved Dec 31, 2011 —
Dec 1, 2011 Dec 31, 2011 MR No No — 5% of samples — Resolved Dec 31, 2011 —
Dec 1, 2011 Dec 31, 2011 MR No No — 5% of samples — Resolved Dec 31, 2011 —
Jul 1, 2006 — Other No No — — — Resolved Feb 15, 2007 —
Jul 1, 2006 — Other No No — — — Resolved Feb 15, 2007 —
Oct 1, 2001 — MR No No — TT — Resolved Feb 4, 2004 —
Jul 1, 2001 — MR No No — TT — Resolved Feb 4, 2004 —
Jan 1, 1996 Dec 31, 1996 MR No Yes — 10 mg/L — Resolved Dec 31, 1996 —
Jan 1, 1994 Dec 31, 1994 MR No Yes — 10 mg/L — Resolved Dec 31, 1994 —
Jul 1, 1993 Dec 31, 1993 MR No No — TT — Resolved Dec 31, 1993 —
Jul 1, 1993 Dec 31, 1993 MR No No — TT — Resolved Dec 31, 1993 —
Jan 1, 1993 Dec 31, 1993 MR No Yes — 10 mg/L — Resolved Dec 31, 1993 —
— — — No No — — — — — —

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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