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Clean Water Act discharge permit · NPDES MTR107400

KEYSTONE XL PIPELINE PROJECT-PY AND CY, Whitewater, MT: NPDES MTR107400 discharge permit, effluent exceedances, inspections, penalties

KEYSTONE XL PIPELINE PROJECT-PY AND CY, held by TRANSCANADA KEYSTONE PIPELINE LP, holds NPDES permit MTR107400, which discharges to State Waters. 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 KEYSTONE XL PIPELINE PROJECT-PY AND CY: its NPDES ID, its permit type and status, its its address in Whitewater, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR107400.

Identity

Facility as filedKEYSTONE XL PIPELINE PROJECT-PY AND CY
Permittee as filedTRANSCANADA KEYSTONE PIPELINE LP
NPDES IDMTR107400
Permit statusNot needed
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
AddressWhitewater, MT 59544
Receiving waterState Waters
SubwatershedCorral Coulee (HUC 100500130104)
SIC1623 – 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

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR107400.

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 MTR107400.

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, MTR107400.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 MTR107400 there.

Nearby on the register

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

What this page shows

The KEYSTONE XL PIPELINE PROJECT-PY AND CY permit is one of 26 storm water construction permits on EPA's NPDES register in Phillips County, and it is the only NPDES permit in the Corral Coulee subwatershed (HUC 100500130104). Among those 26 Phillips County permits, 0.0% have a violation on file, and this permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance.