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Clean Water Act discharge permit · NPDES MTR104189

MDOT - JCT I-90 NORTH SIGNAL - CARTAGE RD US 93 N MISSOULA, Missoula, MT: NPDES MTR104189 discharge permit, effluent exceedances, inspections, penalties

MDOT - JCT I-90 NORTH SIGNAL - CARTAGE RD US 93 N MISSOULA, held by MONTANA DEPT OF TRANSPORTATION, holds NPDES permit MTR104189, which discharges to Okeefe Creek. EPA’s file records it issued July 15, 2011 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 MDOT - JCT I-90 NORTH SIGNAL - CARTAGE RD US 93 N MISSOULA: its NPDES ID, its permit type and status, its dates, its address in Missoula, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR104189.

Identity

Facility as filedMDOT - JCT I-90 NORTH SIGNAL - CARTAGE RD US 93 N MISSOULA
Permittee as filedMONTANA DEPT OF TRANSPORTATION
NPDES IDMTR104189
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 15, 2011
Expiration dateDecember 31, 2011
Issuing agencyMONTANA DEQ
AddressMissoula, MT 59801
Receiving waterOKEEFE CREEK
SubwatershedO'Keefe Creek (HUC 170102040204)

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 MTR104189.

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 MTR104189.

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, MTR104189.

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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 MTR104189 there.

Nearby on the register

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

What this page shows

The MDOT - JCT I-90 NORTH SIGNAL - CARTAGE RD US 93 N MISSOULA storm water construction permit is one of 206 such permits on the register for Missoula County, including this one. It sits within a group of 17 NPDES permits in the O'Keefe Creek subwatershed, this one included, and about 6.2% of the county's 194 storm water construction permits were issued earlier than it. The permit records no pollutants under a numeric limit and no effluent exceedances, a count of 0 on both measures.