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Clean Water Act discharge permit · NPDES MTR104645

MDOT - BRIDGE SCOUR I-90 MP 24, Saint Regis, MT: NPDES MTR104645 discharge permit, effluent exceedances, inspections, penalties

MDOT - BRIDGE SCOUR I-90 MP 24, held by MONTANA DEPT OF TRANSPORTATION, holds NPDES permit MTR104645, which discharges to St Regis River. EPA’s file records it issued July 26, 2012 and expiring December 31, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for MDOT - BRIDGE SCOUR I-90 MP 24: its NPDES ID, its permit type and status, its dates, its address in Saint Regis, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR104645.

Identity

Facility as filedMDOT - BRIDGE SCOUR I-90 MP 24
Permittee as filedMONTANA DEPT OF TRANSPORTATION
NPDES IDMTR104645
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 26, 2012
Expiration dateDecember 31, 2012
Issuing agencyMONTANA DEQ
AddressSaint Regis, MT 59866
Receiving waterST REGIS RIVER
SubwatershedLower St. Regis River (HUC 170102040812)

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 MTR104645.

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 MTR104645.

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, MTR104645.

Start the watch

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 MTR104645 there.

Nearby on the register

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