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Clean Water Act discharge permit · NPDES MTR110944

NATIONAL MUSEUM OF FOREST SERVICE HISTORY, Missoula, MT: NPDES MTR110944 discharge permit, effluent exceedances, inspections, penalties

NATIONAL MUSEUM OF FOREST SERVICE HISTORY, held by KNIFE RIVER MISSOULA, holds NPDES permit MTR110944, which discharges to Butler Creek. EPA’s file records it issued August 27, 2024 and expiring December 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for NATIONAL MUSEUM OF FOREST SERVICE HISTORY: its NPDES ID, its permit type and status, its dates, its address in Missoula, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR110944.

Identity

Facility as filedNATIONAL MUSEUM OF FOREST SERVICE HISTORY
Permittee as filedKNIFE RIVER MISSOULA
NPDES IDMTR110944
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 27, 2024
Expiration dateDecember 31, 2027
AddressMissoula, MT 59808
Receiving waterBUTLER CREEK
SubwatershedButler Creek (HUC 170102040201)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR110944.

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 MTR110944.

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, MTR110944.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 MTR110944 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

This public-records page covers NPDES permit MTR110944, held by KNIFE RIVER MISSOULA for NATIONAL MUSEUM OF FOREST SERVICE HISTORY in Missoula, MT, with a Construction stormwater program, minor discharger class, and permit status listed as Effective. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it reports no violation on file for this permit.