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 at side - channel spillway at approximately 1500 cfs flow thru tunnel.
photCL SCE 02 - 43918

Visual Materials
Portal Powerhouse - South side of channel, vicinity of highway bridge after 1100 cfs test flow.
photCL SCE 02 - 43905

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

Visual Materials
Portal Powerhouse - 1500 cfs flow thru by-pass pipe with unrestricted end area.
photCL SCE 02 - 43912

Visual Materials
Portal Powerhouse - Down tailrace channel, 700 cfs flow.
photCL SCE 02 - 43897

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