Dokis First Nation - Lagoon Expansion

The project consists of the expansion and rehabilitation of the lagoon in Dokis First Nation, Ontario. The modifications will increase the lagoon's capacity, implement the pre-treatment system, and install separation membranes to channel the flow. Pre-treatment is proposed to reduce the sediment build up in the lagoon due to the amount of septage disposed of in the lagoon. The project will enable the lagoon to meet Federal and Provincial discharge requirements, reduce the loss of capacity and/or frequent removal of sludge from the lagoon, and increase lagoon capacity to meet the required one-year retention time.

Latest update

End of Public Comment Period

2021-12-18 – The public comment period on the project is closed. Infrastructure Canada is considering comments received to help inform its determination on whether the carrying out of the project is likely to cause significant adverse environmental effects.



Aboriginal Consultation and Environmental Services
1100 - 180 Kent St
Ottawa, Ontario K1P 0B6

Infrastructure Canada
Meng Koh, Senior Environmental Review and Approvals Officer
180 Kent Street
Ottawa, Ontario K1P 0B6
Telephone: 343-551-0418

  • Location

    • Dokis First Nation Reserve (Ontario)
  • Nature of Activity

    • Water Management
  • Assessment Status

    In progress
  • Start Date

  • Proponent

    Dokis First Nation
  • Authorities

    • Indigenous Services Canada
    • Infrastructure 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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