Osoyoos Lake Control Structureby D. L. R. Cronin, Acres Int Ltd, Vancover, BC, Canada,
E. W. D. Bonham, Acres Int Ltd, Vancover, BC, Canada,
S. Mitchell, Acres Int Ltd, Vancover, BC, Canada,
Abstract: The new Osoyoos Lake Control Structure has been built on the Okanogan River at Oroville, Wa. The site is about 2 miles downstream from the outlet of Osoyoos Lake, and about 9 miles south of the United States-Canada border. This structure replaces the wood and concrete Zosel Dam which had been built in 1927 to form a log storage pond for the adjacent Zosel Lumber Company mill. The original dam had deteriorated, causing concerns for its safety, despite recent repairs. Originating in Canada, the Okanogan River is a tributary of the Columbia River, and is a source of water for a major portion of the Okanagan fruit-growing area in British Columbia and the Okanogan Valley in Washington State.
Subject Headings: Hydraulic structures | Lakes | Structural control | Rivers and streams | Water supply systems | Water-based recreation | Wood structures | Concrete dams | North America | Canada | Washington | British Columbia | United States
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