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 - Intake Channel erosion thru blanket and blanket protection since placement in 1955.
photCL SCE 02 - 44790

Visual Materials
Portal Powerhouse - Intake Channel erosion thru blanket and blanket protection since placement in 1955. [stream measurement station & weir]
photCL SCE 02 - 44789

Visual Materials
Portal Powerhouse - Forebay - Inlet channel from vertical shaft shows blanket in place.
photCL SCE 02 - 43767

Visual Materials
Portal Powerhouse - Forebay - Upper portion of intake channel and portal of tunnel.
photCL SCE 02 - 43756

Visual Materials
Portal Powerhouse - Forebay - Progress of excavation in intake channel to vertical shaft.
photCL SCE 02 - 43703

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