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Deadwood Dam

Picture of Deadwood Dam


Statistics

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

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

Geology

  • Foundation: Hard, sound granite, massive at left abutment and fissured with sheet and block joints at right abutment. Two tightly filled fault-zone seams cross foundation on right side.


Narration

 


Links

 | Recreation |

 | Dams Located by State | USBR Idaho Dams | Pacific Northwest Region Dams | Deadwood Reservoir - Boat Ramp Elevations |

 | Owner:  Bureau of Reclamation, Snake River Area Office - West,
                   230 Collins Road, Boise, ID 83703, (208) 383-2200

 | Operator:  Bureau of Reclamation, Snake River Area Office - West,
                       230 Collins Road, Boise, ID 83703, (208) 383-2200

 

 

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