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Island Park Dam

Island Park Dam
Related Projects & Facilities
Minidoka Project
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Current Reservoir Storage
Boat Ramp Elevations
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Overview General Dimensions Hydraulics & Hydrology Contact Information
Total Water Storage at Elevation 135,205 ac-ft
Normal Water Surface Elevation6303.0 ft with inflatable bladder, otherwise it is 6302.0 ft
Spillway Type Bathtub spillway with a 1 ft inflatable bladder on top
Auxiliary SpillwayYes
Spillway Capacity at Elevation6,600 cfs at 6306.6 ft
Outlet Works Capacity at Elevation3,260 cfs at 6303.0 ft
Drainage Area482.0 sq mi

Last updated: Nov 29, 2012