Clean Water Act discharge permit · NPDES MTR105346

TRANSCANADA KEYSTONE XL PIPELINE PROJECT - PRAIRIE COUNTY, Terry, MT: NPDES MTR105346 discharge permit, effluent exceedances, inspections, penalties

Not neededPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

TRANSCANADA KEYSTONE XL PIPELINE PROJECT - PRAIRIE COUNTY, held by TRANSCANADA KEYSTONE PIPELINE LP, holds NPDES permit MTR105346, which discharges to Various. 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 TRANSCANADA KEYSTONE XL PIPELINE PROJECT - PRAIRIE COUNTY: its NPDES ID, its permit type and status, its its address in Terry, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR105346.

Identity

Facility as filed	TRANSCANADA KEYSTONE XL PIPELINE PROJECT - PRAIRIE COUNTY
Permittee as filed	TRANSCANADA KEYSTONE PIPELINE LP
NPDES ID	MTR105346
Permit status	Not needed
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issuing agency	MONTANA DEQ
Address	Terry, MT 59349
Receiving water	VARIOUS
Subwatershed	Crooked Creek (HUC 101000040301)
SIC	1623 – Water, Sewer, And Utility Lines

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

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR105346.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR105346.

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, MTR105346.

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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 MTR105346 there.

Nearby on the register

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

This public-records page covers Clean Water Act NPDES permit MTR105346 for the TRANSCANADA KEYSTONE XL PIPELINE PROJECT - PRAIRIE COUNTY in Terry, MT, held by TRANSCANADA KEYSTONE PIPELINE LP, with a permit status of Not needed and a Minor discharger class. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it reports that EPA's effluent and single-event violation files hold no violation for this permit. The receiving water is listed as VARIOUS, in the Crook subwatershed, with the program recorded as construction stormwater.