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

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 - Total flow 1600 cfs - 300 from side outlet. Strong vibration.
photCL SCE 02 - 43888

Visual Materials
Portal Powerhouse - General view of Powerhouse & tailrace. Flow at 1000 cfs.
photCL SCE 02 - 43890

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 - Down tailrace channel, 700 cfs flow.
photCL SCE 02 - 43897