Lake Diefenbaker Irrigation Expansion Projects

The Saskatchewan Water Security Agency is proposing to construct and operate irrigation projects surrounding Lake Diefenbaker, Saskatchewan. The Lake Diefenbaker Irrigation Expansion Projects would be completed in three separate phases and would dig about 500 km of canals, build four balancing reservoirs and an outfall structure into Buffalo Pound Lake. The proposed infrastructure would irrigate of up to 186,155 hectares (460,000 acres) of land and provide water for other uses. Phases 1 and 2 would take place northwest of Lake Diefenbaker and would complete the Westside Irrigation Canal System while Phase 3 is the development of the Qu'Appelle South Irrigation System to the south of Lake Diefenbaker.

Latest update

November 4, 2021 — The Minister of Environment and Climate Change has determined that the Lake Diefenbaker Rehabilitation Project and the Expansion Project do not warrant designation at this time under the Impact Assessment Act. The reasons are provided in his response.

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Key documents

Key documents
Document number Document title File Date
3 Analysis Report PDF (1.2 MB) November 4, 2021
2 Minister's Response - November 4, 2021
1 Request for Designation of Project PDF (1.2 MB) June 16, 2021

Contacts

Impact Assessment Agency of Canada
160 Elgin Street, 22nd Floor
Ottawa, Ontario K1A 0H3
Telephone: 613-957-0700 or 1-866-582-1884
Fax: 613-957-0862
Email: information@iaac-aeic.gc.ca

Media Relations
Impact Assessment Agency of Canada
160 Elgin Street, 22nd Floor
Ottawa, Ontario K1A 0H3
Email: media@iaac-aeic.gc.ca


Disclaimer

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.

  • Location

    • Lake Diefenbaker (Saskatchewan)

  • Nature of Activity

    • Water Management

  • Assessment Status

    Completed

  • Start Date

    2021-06-16

  • Proponent

    Saskatchewan Water Security Agency

  • Authorities

    • Impact Assessment Agency of Canada

  • Assessment Type

    Request for designation not applicable

  • Reference Number

    82781

Nearby assessments

...within 200 kilometres
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