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Clean Water Act discharge permit · NPDES MTG070581

WILLISTON BASIN INTERSTATE PIPELINE CO - 802 SEWER PLANT RD, Laurel, MT: NPDES MTG070581 discharge permit, effluent exceedances, inspections, penalties

WILLISTON BASIN INTERSTATE PIPELINE CO - 802 SEWER PLANT RD, held by WILLISTON BASIN INTERSTATE PIPELINE CO, holds NPDES permit MTG070581, which discharges to Yellowstone River. 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 WILLISTON BASIN INTERSTATE PIPELINE CO - 802 SEWER PLANT RD: its NPDES ID, its permit type and status, its its address in Laurel, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG070581.

Identity

Facility as filedWILLISTON BASIN INTERSTATE PIPELINE CO - 802 SEWER PLANT RD
Permittee as filedWILLISTON BASIN INTERSTATE PIPELINE CO
NPDES IDMTG070581
Permit statusNot needed
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
Issuing agencyMONTANA DEQ
AddressLaurel, MT 59044
Receiving waterYELLOWSTONE RIVER
SubwatershedLower Canyon Creek (HUC 100700040904)

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 MTG070581.

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 MTG070581.

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, MTG070581.

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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 MTG070581 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit MTG070581, held by WILLISTON BASIN INTERSTATE PIPELINE CO - 802 SEWER PLANT RD, which discharges to the YELLOWSTONE RIVER, with a permit status of Not needed and a Minor discharger class of 0. The register lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance for this permit.