Clean Water Act discharge permit · NPDES MT0031844

MDT - MS4 STATEWIDE, Helena, MT: NPDES MT0031844 discharge permit, effluent exceedances, inspections, penalties

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

MDT - MS4 STATEWIDE, held by Montana Department of Transportation, holds NPDES permit MT0031844, which discharges to Various Statewide Drainages. 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 MDT - MS4 STATEWIDE: its NPDES ID, its permit type and status, its its address in Helena, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MT0031844.

Identity

Facility as filed	MDT - MS4 STATEWIDE
Permittee as filed	Montana Department of Transportation
NPDES ID	MT0031844
Permit status	Pending
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Small municipal storm sewer systems
Address	Helena, MT 59601
Receiving water	VARIOUS STATEWIDE DRAINAGES
Subwatershed	Lower Prickley Pear Gulch (HUC 100301011310)

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 MT0031844.

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 MT0031844.

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, MT0031844.

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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 MT0031844 there.

Nearby on the register

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

This public-records page covers Clean Water Act discharge permit NPDES MT0031844, held by Montana Department of Transportation for MDT - MS4 STATEWIDE in Helena, MT, with a status of Pending as of September 15, 2026. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance for this permit, and the receiving water is Various Statewide Drainages in the Lower Prickley Pear Gulch subwatershed (HUC 100301011310).