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General
Vicinity Map
Region (Map) ............ Pacific Northwest
State (Map) .................................. Oregon
County ........................................ Malheur
Project ................................................ Vale
Dam type ................... Concrete thin arch
Location ........... 35 mi SW of Harper, OR
Watercourse .................... Malheur River
Reservoir .......................... Warm Springs
Original construction ............. 1918-1919
Modified .................................. 1930, 1939
National ID Number ................. OR00082
Hydrologic Unit Code ........................ |
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Hydraulics
Total storage to
El. 3406 ............................ 192,400 acre-ft
Service spillway with no stoplogs in place
Capacity at El. 3406 ................. 9,700 cfs
Outlet works
Capacity at El. 3406 ................. 2,000 cfs |
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Dimensions
Crest Elevation .............................. 3409.0 ft
Top of Curb Elevation ................... 3410.0 ft
Structural Height ................................ 106 ft
Hydraulic Height .................................. 92 ft
Crest Length ....................................... 469 ft
Crest Width ............................................ 8 ft
Base Width ........................................... 28 ft
Volume of Concrete ................ 19,500 cu yd |
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Hydrology
Drainage area ............................ 1,110 sq mi
Hydrometeorological Report ....... HMR 57
PMF .............. 1994 January General Storm
Volume ......... 353,200 acre-ft over 15 days
Peak inflow ................................ 145,600 cfs
Maximum water surface ............. 3420.83 ft |
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