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Clean Water Act discharge permit · NPDES MTG870053

MONTANA FWP - WESTERN MT MULTI COUNTY PESTICIDE PERMIT, Libby, MT: NPDES MTG870053 discharge permit, effluent exceedances, inspections, penalties

MONTANA FWP - WESTERN MT MULTI COUNTY PESTICIDE PERMIT, held by MONTANA FISH WILDLIFE AND PARKS, holds NPDES permit MTG870053, which discharges to 20 Western Mt Counties. EPA’s file records it issued November 1, 2016 and expiring October 31, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for MONTANA FWP - WESTERN MT MULTI COUNTY PESTICIDE PERMIT: its NPDES ID, its permit type and status, its dates, its address in Libby, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG870053.

Identity

Facility as filedMONTANA FWP - WESTERN MT MULTI COUNTY PESTICIDE PERMIT
Permittee as filedMONTANA FISH WILDLIFE AND PARKS
NPDES IDMTG870053
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedNovember 1, 2016
Expiration dateOctober 31, 2021
AddressLibby, MT 59923
Receiving water20 WESTERN MT COUNTIES
Receiving water impaired303(D) Listed
SubwatershedBlacktail Deer Creek-Dillon (HUC 100200020311)
SIC9511 – Air, Water, & Solid Waste Management

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTG870053.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTG870053.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MTG870053.

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How we handle your data → Privacy

EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID MTG870053 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The MONTANA FWP - WESTERN MT MULTI COUNTY PESTICIDE PERMIT, held by MONTANA FISH WILDLIFE AND PARKS in Libby, Lincoln County, Montana, is one of 28 general permit coverages on EPA's NPDES register in that county, and it sits among 6 NPDES permits in the Blacktail Deer Creek-Dillon subwatershed. Its records show no pollutants under a numeric limit and no effluent exceedances, and among the county's general permit coverages, 7.1% of those 28 carry a violation on file.