Problem and Technical Solutions: The Seven Oaks Dam, Physical Elements of the Seven Oaks Dam Feature

by Robert E. Koplin,

Document Type: Proceeding Paper

Part of: North American Water and Environment Congress & Destructive Water


Seven Oaks Dam is located in the upper Santa Ana Canyon approximately 1 mile from the canyon mouth. The site is 8 miles northeast of the city of Redlands in San Bernardino County on the Santa Aria River. The embankment will be an earth and rock fill structure with a height of 550 feet above the existing streambed, crest width of 40 feet, crest length of 2,630 feet and crest elevation of 2,610 feet NGVD. The upstream slope will be 1 vertical on 2.2 horizontal and the downstream slope will be 1 vertical on 1.8 horizontal. The zoned embankment will contain an impervious core, graded interior pervious layers and an exterior rock shell. The dam will have a gross storage capacity of 145,600 acre-feet at the spillway crest elevation of 2,580 feet NGVD.

Subject Headings: Dams | Rock fills | Canyons | Rivers and streams | Earth fills | Slopes | Construction management | Rockfill dams

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