Box Canyon Dam (California)
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1984 (powerhouse)
and Siskiyou Power Authority
| Box Canyon Dam | |
|---|---|
.jpg) | |
 Interactive map of Box Canyon Dam | |
| Location | Trinity Mountains, Shasta National Forest, Siskiyou County, California |
| Coordinates | 41°16′44″N 122°19′44″W / 41.279°N 122.329°W |
| Opening date | 1970 (dam) 1984 (powerhouse) |
| Operators | Siskiyou County Flood Control & Water Conservation District and Siskiyou Power Authority |
| Dam and spillways | |
| Impounds | Upper Sacramento River |
| Height | 209 ft (64 m) |
| Length | 1,100 ft (340 m) |
| Width (base) | 200 feet (61 m) |
| Reservoir | |
| Creates | Lake Siskiyou |
| Total capacity | 26,000 acre⋅ft (32,000,000 m3) |
| Surface area | 430 acres (170 ha) |
Box Canyon Dam is a concrete gravity dam on the Upper Sacramento River impounding Lake Siskiyou reservoir, in Siskiyou County, northern California.[1][2]
The dam and reservoir are located in Box Canyon of the eastern Trinity Mountains and within the Shasta–Trinity National Forest, southwest of the town of Mount Shasta and Mount Shasta peak.
Box Canyon Dam is 1,100 feet (340 m) long and 209 feet (64 m) high. The dam is owned and operated by Siskiyou County's Flood Control & Water Conservation District and Siskiyou Power Authority, and was completed in 1965 to provide flood control.[3] In 1965, a powerhouse was installed to provide hydroelectric power.[4]
History
Beginning in April 1959, the State of California appropriated funding to study the feasibility of building the dam.[5] In the 1963 legislative session, following the passage of the Davis-Grunsky Act/Proposition One of 1960 (which initiated the California State Water Project)[6] the California State legislature authorized $2,800,00 for the Box Canyon Dam and Reservoir project. In 1965, Assembly Bill No. 251 authorized a dedicated grant to the Siskiyou County Flood Control and Water Conservation District, or the Mount Shasta Recreation and Park District of $2,000,000 for the Box Canyon Dam and Reservoir Project. [7]
