Clean Water Act discharge permit · NPDES MTR111820

BNSF BR 0042-0113.83, Milltown, MT: NPDES MTR111820 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

BNSF BR 0042-0113.83, held by BNSF Railway - SSEP, holds NPDES permit MTR111820, which discharges to Blackfoot River. EPA’s file records it issued June 8, 2026 and expiring December 31, 2027. 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 BNSF BR 0042-0113.83: its NPDES ID, its permit type and status, its dates, its address in Milltown, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111820.

Identity

Facility as filed	BNSF BR 0042-0113.83
Permittee as filed	BNSF Railway - SSEP
NPDES ID	MTR111820
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	June 8, 2026
Expiration date	December 31, 2027
Address	Milltown, MT 59851
Receiving water	BLACKFOOT RIVER
Subwatershed	Blackfoot River-Johnson Gulch (HUC 170102031308)
SIC	4011 – Railroads, Line-Haul Operating

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

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR111820.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR111820.

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, MTR111820.

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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 MTR111820 there.

Nearby on the register

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

BNSF BR 0042-0113.83 is one of 206 storm water construction permits in Missoula County, and 92.8% of the county's 194 such permits (this one included) carry an earlier issue date. Within the Blackfoot River-Johnson Gulch subwatershed, it is one of 8 NPDES permits, and 13.1% of the county's 206 storm water construction permits have a violation on file. It has no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted as 0.