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Three Mile Falls Diversion Dam

Three Mile Falls Diversion Dam
 
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Umatilla Basin Project
 
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Recreation.gov
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The Three Mile Falls Diversion Dam is a concrete multiple arch weir which diverts water to the West Division through the West Extension Main Canal. The dam is on the Umatilla River 3 miles south of Umatilla, Oregon, and has a structural height of 24 feet, a hydraulic height of 23 feet, and a crest length of 915 feet. The canal is 27 miles long and has a diversion capacity of 375 cubic feet per second.


Last updated: Jan 07, 2009