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Shadow Mountain Dam

Shadow Mountain Dam
Shadow Mountain Dam is located in Colorado
Shadow Mountain Dam
Location of Shadow Mountain Dam
Location Grand County, near Granby, Colorado, USA
Coordinates
Construction began 1944
Opening date 1946
Operator(s) U.S. Bureau of Reclamation
Dam and spillways
Type of dam Zoned earthfill
Impounds Colorado River
Height 63 ft (19 m)
Length 3,077 ft (938 m)
Spillway capacity 10,000 cu ft/s (280 m3/s)
Reservoir
Creates Shadow Mountain Lake
Total capacity 18,400 acre feet (0.0227 km3)
Catchment area 187 sq mi (480 km2)
Power station
Hydraulic head 37 ft (11 m)

Shadow Mountain Dam is a zoned earthfill dam on the Colorado River in Grand County, Colorado. Constructed between 1944 and 1946, the Shadow Mountain Dam creates the Shadow Mountain Lake, with a structural height of 63 feet (19 m) and a drainage area of 187 square miles (480 km2). Shadow Mountain Lake is a holding reservoir for water pumped up from Lake Granby just to the south through the Granby Pumping Plant and Canal. Shadow Mountain Lake is connected by a short channel to the natural Grand Lake. The east portal of the Alva B. Adams Tunnel is located on Grand Lake. The Adams Tunnel diverts west slope water to the east slope of the Rocky Mountains for use in agriculture and to serve the populated areas of Colorado, including Denver.[1]

References

  1. ^ "Colorado-Big Thompson Project". Retrieved 9 May 2011. 

External links

  • USBR Shadow Mountain Dam Website
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