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 - Tailrace channel under highway bridge after 1800 cfs flows.
photCL SCE 02 - 43924

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 - Record pictures of tailrace channel during outage: South side of channel from under highway bridge.
photCL SCE 02 - 43797

Visual Materials
Portal Powerhouse - Record pictures of tailrace channel during outage: Up channel from below highway bridge.
photCL SCE 02 - 43795

Visual Materials
Portal Powerhouse - View from highway bridge showing excavation progress in tailrace channel section isolated by diverting flow into Potter Creek Tunnel.
photCL SCE 02 - 43562

Visual Materials
Portal Powerhouse - excavating tailrace channel to final grade in section up-stream from Highway Bridge.
photCL SCE 02 - 43689