General

• Vicinity Map
• Region (Map) ............. Pacific Northwest
• State (Map) ......................................Idaho
• County ............................................ Valley
• Project .............................................. Boise
• Dam type ................. Concrete thick arch
• Location ........... 25 mi SE of Cascade, ID
• Watercourse ................ Deadwood River
• Reservoir ................................ Deadwood
• Original construction .............. 1929-1931
• National ID Number ................... ID00284
• Hydrologic Unit Code .................

Hydraulics

• Total storage to
    El. 5334 ............................ 162,000 acre-ft
• Service spillway
    Capacity at El. 5343.5 ............ 11,300 cfs
• Outlet works
    Capacity at El. 5334 ................. 2,600 cfs

Dimensions

• Crest Elevation .............................. 5340.0 ft
• Top of Parapet Elevation ............. 5343.5 ft
• Structural Height ................................ 165 ft
• Hydraulic Height ................................ 137 ft
• Crest Length ....................................... 749 ft
• Crest Width ............................................. 9 ft
• Base Width ........................................... 62 ft
• Volume of Concrete ............... 56,400 cu yd

Hydrology

• Drainage area ............................ 110.7 sq mi
• Hydrometeorological Report ....... HMR 57
• PMF .............................. 1996 General storm
• Volume .......... 91,100 acre-feet over 7 days
• Peak inflow .................................. 49,700 cfs
• Maximum water surface .............. 5345.52 ft