Alexis Nakota Sioux Nation 1993 Spill Remediation Project

Pembina Pipeline Corporation is proposing to remediate an area with confirmed residual petroleum hydrocarbon impacts located within a Pembina right-of way crossing Alexis Nakota Sioux Nation. The remedial plan is to excavate and transport contaminated soils for off-Site disposal at an approved licensed facility, backfill the excavation with clean, suitable fill material, complete surface reclamation and install a groundwater monitoring network.

Latest update

October 9, 2019 – Indigenous Services Canada issued its notice of determination and determined that the project is not likely to cause significant adverse environmental effects.


Key documents

Key documents
Document Number Document Title File Date
2 Notice of Determination for the Alexis Nakota Sioux Nation 1993 Spill Remediation Project - October 9, 2019
1 Public Comment Period on Intent to Make a Determination - September 9, 2019


Indigenous Services Canada
Stacey LeBlanc, Sr. Environment Officer
630 Canada Place, 9700 Jasper Ave
Edmonton, Alberta T5J 4G2
Telephone: 780-782-8350

  • Location

    • Alexis Nakota Sioux Nation (Alberta)
  • Nature of Activity

    • Remediation and conservation
  • Assessment Status

  • Start Date

  • Proponent

    Pembina Pipeline Corporation
  • Authorities

    • Indigenous Services Canada
  • Assessment Type

    Project on federal lands
  • Reference Number


This map is for illustrative purposes. The markers represent the approximate locations based on available data. More than one marker may be identified for a given assessment.


Nearby assessments

...within 200 kilometres
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