Pyramid Dam

Pyramid Dam
Satellite view of dam and reservoir. Interstate 5 is on the right of the image.
Interactive map of Pyramid Dam
CountryUnited States
LocationLos Angeles County, California
Coordinates34°38′39″N 118°45′50″W / 34.64417°N 118.76389°W / 34.64417; -118.76389
Construction began1968 (1968)
Opening date1970 (1970)
Dam and spillways
Type of damEmbankment
Height386 ft (118 m)
Length1,080 ft (330 m)
Spillway typeGated concrete chute
Reservoir
CreatesPyramid Lake
Total capacity180,000 acre⋅ft (220,000,000 m3)
Catchment area293 mi2 (760 km2)
Surface area1,297 acres (525 ha)

Pyramid Dam is a dam on Piru Creek in northern Los Angeles County, California, north of Castaic and south of Gorman. Its reservoir, Pyramid Lake, stores water from the West Branch of the California Aqueduct for Ventura and Los Angeles Counties. They are smaller than Castaic Dam and Lake, the other artificial water storage facility in the area, 7 miles (11 km) to the south.