Clean Water Act discharge permit · NPDES MTR104389

FORSYTH NORTHWEST, Forsyth, MT: NPDES MTR104389 discharge permit, effluent exceedances, inspections, penalties

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

FORSYTH NORTHWEST, held by MONTANA DEPT OF TRANSPORTATION, holds NPDES permit MTR104389, which discharges to Various. EPA’s file records it issued January 1, 2013 and expiring December 31, 2017. 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 FORSYTH NORTHWEST: its NPDES ID, its permit type and status, its dates, its address in Forsyth, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR104389.

Identity

Facility as filed	FORSYTH NORTHWEST
Permittee as filed	MONTANA DEPT OF TRANSPORTATION
NPDES ID	MTR104389
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	January 1, 2013
Expiration date	December 31, 2017
Issuing agency	MONTANA DEQ
Address	Forsyth, MT 59327
Receiving water	VARIOUS
Subwatershed	Yellowstone River-Hammond Valley (HUC 101000011202)
SIC	1611 – Highway And Street Construction

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 MTR104389.

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 MTR104389.

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, MTR104389.

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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 MTR104389 there.

Nearby on the register

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

FORSYTH NORTHWEST, a storm water construction permit in Rosebud County, is one of 37 such permits on EPA's NPDES register for that county, and 0.0% of those 37 have a violation on file. Of the 35 storm water construction permits in Rosebud County, including this one, 25.7% were issued earlier than this permit. The permit also falls among 4 NPDES permits in the Yellowstone River-Hammond Valley subwatershed, this one included, and it has no pollutants under a numeric limit or with an effluent exceedance on record.