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 - Flow test - Flow approximately 1100 cfs. - No spill at side.
photCL SCE 02 - 43878

Visual Materials
Portal Powerhouse - Flow test - Flow approximately 1200 cfs. - Water spilling at side outlet.
photCL SCE 02 - 43877

Visual Materials
Portal Powerhouse - Flow test - Flow at 1200 cfs. - No spill at side.
photCL SCE 02 - 43879

Visual Materials
Portal Powerhouse - Flow test - Uncompleted penstock flow approximately 1300 cfs.
photCL SCE 02 - 43876

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 - North side adjacent to north bridge pier after test flow of 1100 cfs.
photCL SCE 02 - 43908