Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Discharge at side - channel spillway at approximately 1500 cfs flow thru tunnel.
photCL SCE 02 - 43918

Visual Materials
Portal Powerhouse - Tunnel flow approximately 1700 cfs. About 400cfs of flow comes from side opening in pipe.
photCL SCE 02 - 43881

Visual Materials
Portal Powerhouse - Channel below powerhouse structure, flow approx. 1800 cfs thru Ward Tunnel.
photCL SCE 02 - 43922

Visual Materials
Portal Powerhouse - Temporary flow diversion from 12' pipe [Ward Tunnel]. Flow about 425 cfs..
photCL SCE 02 - 43643

Visual Materials
Portal Powerhouse - Temporary flow diversion from 12' pipe [Ward Tunnel]. Flow about 425 cfs..
photCL SCE 02 - 43644

Visual Materials
Portal Powerhouse - Downstream thru spray chamber at approx. 1800 cfs flow thru Ward Tunnel.
photCL SCE 02 - 43921