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Clean Water Act discharge permit · NPDES MTR108729

CLEARWATER WIND T-LINE PROJECT, Colstrip, MT: NPDES MTR108729 discharge permit, effluent exceedances, inspections, penalties

CLEARWATER WIND T-LINE PROJECT, held by Clearwater Energy Resources LLC, holds NPDES permit MTR108729, which discharges to North Fork Deer Creek. EPA’s file records it issued March 12, 2021 and expiring December 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for CLEARWATER WIND T-LINE PROJECT: its NPDES ID, its permit type and status, its dates, its address in Colstrip, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR108729.

Identity

Facility as filedCLEARWATER WIND T-LINE PROJECT
Permittee as filedClearwater Energy Resources LLC
NPDES IDMTR108729
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 12, 2021
Expiration dateDecember 31, 2022
AddressColstrip, MT 59323
Receiving waterNORTH FORK DEER CREEK
SubwatershedEast Fork Armells Creek-Sevenmile Creek (HUC 101000011004)
SIC1629 – Heavy Construction

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR108729.

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 MTR108729.

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, MTR108729.

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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 MTR108729 there.

Nearby on the register

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

What this page shows

The East Fork Armells Creek-Sevenmile Creek subwatershed holds 3 NPDES permits, including CLEARWATER WIND T-LINE PROJECT. Rosebud County records 37 storm water construction permits on EPA's NPDES register, and 0.0% of those 37 have a violation on file, while 45.7% of the 35 permits in the county were issued before this one.