Olivenhain Dam, Hydroelectric power station and gravity dam in San Diego County, United States
The Olivenhain Dam spans 2,400 feet in length and rises 318 feet high, forming a reservoir with a capacity of 24,000 acre-feet of water.
The construction of this roller-compacted concrete structure began in 1998 and concluded in 2003, making it the first dam of its type in California.
The surrounding Elfin Forest Recreational Reserve provides outdoor activities and educational programs about local water resources and ecosystems.
The facility supplies enough water for 60,000 families annually through its connection to Lake Hodges and the Second San Diego Aqueduct.
The dam structure maintains functionality during earthquakes up to magnitude 7.25, ensuring continuous water supply during geological events.
Location: San Diego County
Inception: 1917
GPS coordinates: 33.07000,-117.13800
Latest update: March 13, 2025 11:41
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