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 - Discharge through spray chamber at approx. 1350 cfs.
photCL SCE 02 - 43931

Visual Materials
Portal Powerhouse - General view shows water leaving spray chamber at approximately 1000 cfs.
photCL SCE 02 - 43884

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

Visual Materials
Portal Powerhouse - Another view of discharge at approximately 1500 cfs flow thru tunnel.
photCL SCE 02 - 43919

Visual Materials
Portal Powerhouse - Discharge at approximately 1800 cfs flow through Ward Tunnel.
photCL SCE 02 - 43920

Visual Materials
Portal Powerhouse - Portal Forebay - Pilot discharge channel from spillway.
photCL SCE 02 - 43793