The Changing Objectives of Garrison Diversion Unitby Darrell L. Krull, US Bureau of Reclamation, Bismark, ND, USA,
Abstract: Construction of the 101,000-hectare initial stage Garrison Diversion Unit was authorized in August 1965 as a feature of the Pick-Sloan Missouri Basin Program for irrigation and other purposes. Construction on the project started in 1967. The technical aspects of the project and its impact on Canadian waters were evaluated by the International Joint Commission in 1976 and the environmental and economic issues associated with the project were evaluated in the 1977 Water Projects Review. As a result of the review and legal actions, the Department of the Interior proposed modifications and reauthorization of the project in 1979. The Garrison Diversion Unit Commission was established in 1984 to review the contemporary water needs of North Dakota and propose modifications to the unit. The Commission recommended a 53,000-hectare irrigation project and a much expanded municipal and industrial water development program. A reauthorization proposal consistent with the Commission recommendations is pending in the Congress.
Subject Headings: Irrigation | Water resources | Spillways | Construction management | Resource management | Environmental issues | Municipal water | North America | United States | North Dakota | Missouri | Indiana
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