Diamond Valley Lake can hold 800,000 acre-feet of water, or roughly 260 billion gallons, the largest reservoir in Southern California. Its capacity is more than six times that of Lake Perris (124,000 acre feet).
Clayton A. Record Jr., Viewpoint Building the Lake Building the Lake: the I/O Tower Building the Lake: the Dam How Deep is the Lake? Prehistoric Finds Visitors Center Southwestern Riversive County Multi-Species Reserve
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