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Clean Water Act discharge permit · NPDES MTR10I05K

9601000 SF 179 ASHLAND RABBITTOWN PATH HSIP 37-2(43)61, Ashland, MT: NPDES MTR10I05K discharge permit, effluent exceedances, inspections, penalties

9601000 SF 179 ASHLAND RABBITTOWN PATH HSIP 37-2(43)61, held by Montana Department of Transportation, holds NPDES permit MTR10I05K. EPA’s file records it issued February 17, 2025 and expiring February 16, 2027. 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 9601000 SF 179 ASHLAND RABBITTOWN PATH HSIP 37-2(43)61: its NPDES ID, its permit type and status, its dates, its address in Ashland, Montana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR10I05K.

Identity

Facility as filed9601000 SF 179 ASHLAND RABBITTOWN PATH HSIP 37-2(43)61
Permittee as filedMontana Department of Transportation
NPDES IDMTR10I05K
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 17, 2025
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressAshland, MT 59003
Receiving water impaired303(D) Listed
SubwatershedTongue River-Walking Horse Coulee (HUC 100901020411)

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 MTR10I05K.

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 MTR10I05K.

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, MTR10I05K.

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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 MTR10I05K there.

Nearby on the register

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

What this page shows

The permit, filed as 9601000 SF 179 ASHLAND RABBITTOWN PATH HSIP 37-2(43)61, is one of 2 storm water construction permits on EPA's NPDES register in Ashland, this one included. It also falls among 4 NPDES permits in the Tongue River-Walking Horse Coulee subwatershed (HUC 100901020411), this one included. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, each counted as 0.