Clean Water Act discharge permit · NPDES MTG770037

TRANSCANADA KEYSTONE XL PIPELINE, Glasgow, MT: NPDES MTG770037 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
8Pollutants under a numeric limit
0Pollutants with an effluent exceedance

TRANSCANADA KEYSTONE XL PIPELINE, held by TRANSCANADA KEYSTONE PIPELINE LP, holds NPDES permit MTG770037, which discharges to Various. EPA’s file records it issued April 17, 2013 and expiring May 31, 2015. 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.

Identity

Facility as filed	TRANSCANADA KEYSTONE XL PIPELINE
Permittee as filed	TRANSCANADA KEYSTONE PIPELINE LP
NPDES ID	MTG770037
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	April 17, 2013
Expiration date	May 31, 2015
Issuing agency	MONTANA DEQ
Address	Glasgow, MT 59230
Receiving water	VARIOUS
Receiving water impaired	303(D) Listed
Subwatershed	Missouri River-Fort Peck Dam (HUC 100600010102)
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

10Pollutants on file
8Under a numeric limit
8With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
Solids, total suspended	16	16
Oil and grease, hexane extr method	0	16
Chlorine, total residual	0	16
Toluene	8	8
Benzene	8	8
Ethylbenzene	8	8
Xylene [mix of m+o+p]	8	8
Oil and grease visual	8	8
Turbidity	16	0
Oxidants, total residual	8	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG770037.

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 MTG770037.

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, MTG770037.

Start the watch

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 MTG770037 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 MTG770037 for TRANSCANADA KEYSTONE XL PIPELINE in Glasgow, MT, held by TRANSCANADA KEYSTONE PIPELINE LP, with permit status listed as administratively continued and a minor discharger class. The page lists 8 for the discharger class figure, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance, with the subwatershed HUC 100600010102.