Clean Water Act discharge permit · NPDES MTR103665

MONTANA DOT - D4 NON INTERSTATE STRUCTURE REPLACEMENT, Brockway, MT: NPDES MTR103665 discharge permit, effluent exceedances, inspections, penalties

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

MONTANA DOT - D4 NON INTERSTATE STRUCTURE REPLACEMENT, held by MONTANA DEPT OF TRANSPORTATION, holds NPDES permit MTR103665, which discharges to 5 Waterbodies. EPA’s file records it issued February 26, 2010 and expiring December 31, 2011. 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 MONTANA DOT - D4 NON INTERSTATE STRUCTURE REPLACEMENT: its NPDES ID, its permit type and status, its dates, its address in Brockway, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR103665.

Identity

Facility as filed	MONTANA DOT - D4 NON INTERSTATE STRUCTURE REPLACEMENT
Permittee as filed	MONTANA DEPT OF TRANSPORTATION
NPDES ID	MTR103665
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	February 26, 2010
Expiration date	December 31, 2011
Issuing agency	MONTANA DEQ
Address	Brockway, MT 59214
Receiving water	5 WATERBODIES
Subwatershed	Dirty Creek (HUC 100600020301)

Cited to the EPA ICIS-NPDES permit file (ECHO 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 MTR103665.

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 MTR103665.

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, MTR103665.

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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 MTR103665 there.

Nearby on the register

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

The MONTANA DOT - D4 NON INTERSTATE STRUCTURE REPLACEMENT permit is one of 1 NPDES permit in the Dirty Creek subwatershed, the only one listed there, this one included. Among the 19 storm water construction permits in its county, 10.5% have a violation on file, and this permit has none of the 0 pollutants under a numeric limit or 0 pollutants with an effluent exceedance. Of the 17 storm water construction permits in its county, 17.6% were issued earlier than this one, which was issued February 26, 2010.