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Yellowtail Afterbay Dam

Photo of Yellowtail Afterbay Dam, Montana
Related Projects & Facilities
Yellowtail Unit
Yellowtail Powerplant
Yellowtail Dam
Related Links
Current Levels, Bighorn Lake
Schedule of Proposed NEPA Actions
Bighorn Canyon National Recreation Area
Bighorn Lake Fishing Guide, Montana FW&P
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Overview General Dimensions Hydraulics & Hydrology Contact Information
Structural Height72.00 ft
Hydraulic Height (Normal Operating Depth at Dam)36.00 ft
Spillway Crest Elevation3,192.00 ft
Crest Elevation3,197.50 ft.
Crest Length1,360.00 ft
Crest Width48.00 ft
Base Width140.00 ft
Volume of Dam Construction Materials 183,600.00 cu yds (concrete, 21,600 cu yds; earth materials and riprap 162,000 cu yds)
Streambed at Dam Axis 3,134.00 ft
Top of Active Conservation Pool (Elevation) 3,192.00 ft

Last updated: Apr 02, 2013