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LIBBY CITY OF

Montana — Community Water System — PWSID: MT0000274

System Information

PWSIDMT0000274
System NameLIBBY CITY OF
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region08
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1979
Last ReportedJan 5, 2026

Location & Contact

StateMontana
CityLIBBY
ZIP Code59923
AddressPO BOX 1428
OrganizationSIKES, SAMUEL
Phone406-293-2731

Population & Service

Population Served4,892
Service Connections1,957

Drinking Water Violations (334)

This water system has 334 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
Mar 1, 2022 Mar 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Mar 1, 2022 Mar 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Mar 31, 2022 Long Term 2 Enhanced Surface Water Treatment Rule
Oct 1, 2021 Oct 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2021 Oct 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Oct 1, 2021 Oct 31, 2021 Interim Enhanced Surface Water Treatment Rule TT Yes No — — — Resolved Oct 31, 2021 Interim and Long Term 1 Enhanced Surface Water Treatment Rule
Jan 1, 2021 Dec 31, 2021 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,1,1-Trichloroethane MR No Yes — 0.2 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 trans-1,2-Dichloroethylene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 DICHLOROMETHANE MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,1,2-Trichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,1-Dichloroethylene MR No Yes — 0.007 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Benzene MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Xylenes, Total MR No Yes — 10 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2-Dichloroethane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 1,2,4-Trichlorobenzene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 cis-1,2-Dichloroethylene MR No Yes — 0.07 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 p-Dichlorobenzene MR No Yes — 0.075 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 2021 Volatile Organic Chemicals
Jan 1, 2021 Dec 31, 2021 Styrene MR No Yes — 0.1 mg/L — Resolved Dec 31, 2021 Volatile Organic 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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