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O`Neill Dam

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San Luis Unit Project
O`Neill Powerplant *
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Overview General Dimensions Hydraulics & Hydrology Contact Information
Structural Height87.5 ft
Hydraulic Height (Normal Operating Depth at Dam)57.0 ft
Spillway Crest Elevation225.0 ft
Crest Elevation233.0 ft
Crest Length14300.0 ft
Streambed at Dam Axis164.0 ft
Top of Active Conservation Pool (Elevation)225.0 ft
Top of Inactive Conservation Pool (Elevation)217.0 ft
Top of Dead Storage Pool (Elevation)194.5 ft

Last updated: May 28, 2009