San Luis

On March 27, 2017, San Luis Reservoir's storage is 2,010,326 acre feet, 98 percent of total capacity, and 110 percent of historical average for this date.

San Luis Reservoir is part of the San Luis Joint-Use Complex, which serves the State Water Project and the federal Central Valley Project. DWR/2017

The San Luis Joint-Use Complex serves the State Water Project and the federal Central Valley Project. It was designed and constructed by the Bureau of Reclamation and is operated and maintained by the Department of Water Resources. San Luis Reservoir, part of the San Luis Complex, is the largest off-stream reservoir in the United States.

The O'Neill Forebay in Merced County marks the start of the San Luis Joint-Use Facilities. The state and federal complex includes O'Neill Forebay, San Luis Reservoir, Sisk Dam, Gianelli Pumping-Generating Plant, Romero Overlook Visitors Center, San Luis Canal, Dos Amigos Pumping Plant, and two smaller detention dams and reservoirs. 

Related Pages

Contact San Luis Field Division

Call (209) 827-5100