Deaver Dam is located in the northwestern Bighorn Basin in a small basin between Sage and Polecat Creeks, tributaries of the Bighorn River. The foundation of Deaver Dam consists of late Cretaceous Shale overlain by Quaternary pediment deposits. The pediment deposits consist of gravel with some sand, silt and gravel mostly unlithified, but locally cemented by caliche. The gravels contain subangular to subrounded pebbles and some cobbles. Thickness of gravels at the damsite is not known, but Cody Shale is exposed nearby along the reservoir. The Cody Shale contains buff sandy shale and thinly laminated buff sandstone, moderately lithified. These beds dip about 5 degrees southwest.
General
Project
Shoshone
Longitude
-108.63707
Watercourse
Offstream
Reservoir
Deaver
Original Construction
1918
National ID Number
WY01379
Latitude
44.901
Dimensions
Crest Elevation
4309.0 ft
Hydraulic Height (Normal Operating Depth at Dam)
10.0 ft
Crest Length
13000.0 ft
Top of Active Conservation Pool (Elevation)
4305.0 ft
Structural Height
14.0 ft
Top of Dead Storage Pool (Elevation)
4295.0 ft
Hydraulics & Hydrology
Outlet Works Capacity at Elevation
21 cfs at 4305 ft
Normal Water Surface Elevation
4305.0 ft
Contact
Owner
Title: Facility Manager Organization: Big Horn Basin Field Office Address: #4 Reclamation Road City: Cody, WY 82414 Phone: 307-527-6256-(ext.-260)