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Statistics (Cubic Feet per Second = CFS; Mean Sea Level = MSL)

Significant Dates:

  • Operating Since: 1975
  • Construction Start: 1967
  • Closure: 
  • Reservoir filling initiated: 
  • Reservoir first reached minimum operating pool: 
Size 
  • Length of Dam: 13,136 feet 
  • Damming Height: 147 feet
  • Height above valley floor: 137 feet
  • Maximum Height: 5527.0 feet msl
  • Maximum width at base: 
  • Maximum width at crest: 30 feet
  • Elevation at crest of dam:  
  • Spillway crest: 
Construction

  • Abutment formations (under dam & embankment): 
  • Type of Fill: Rolled Earth Fill 
  • Amount of Fill: 17,255,100 cubic yards 
  • Amount of Concrete: 
Spillway
  • Location: 
  • Width: 
  • Type: Ungated Chute 
  • Dimension of gates: 
  • Design discharge capacity: 188,000 cfs
  • Discharge capacity at maximum operating pool: 188,000 cfs (at 5521.6 feet msl)
Intake structure
  • Type: Tower with access bridge and hydraulically operated slide gates 
  • Number: 2 gates
  • Height: 157 feet
  • Size: 6 feet by 13.5 feet
  • Length: 
Outlet works
  • Number: 
  • Size: Circular 7 feet diameter

Stilling Basin

  • Width: 37 feet
  • Length: 91 feet
  • Release capacity: 2,000 cfs
Lake/Reservoir
  • Upstream Drainage: 3,018 square miles
  • Tributaries: South Platte River
  • Shoreline length:  
  • Length of full reservoir: 2 miles 
  • Width of multi-purpose pool: 1.5 mile 
  • Surface acres: 4,822 acres 
  • Storage capacity: 355,000 acre feet
  • Capacity of multi-purpose pool: 27,076 acre feet (2010 Survey)
  • Maximum depth: 47 feet
  • Annual Flood Ctrl & Multi-Use Zone (Elevation): 5432.0 feet msl
  • Exclusive Flood Ctrl Zone (Elevation): 5500.0 feet msl