Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Ward Tunnel discharge about 200 cfs from State Highway south of Potter Creek Bridge.
- Date
- 1/17/1956
- Call number
- photCL SCE 02 - 43943
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Tailrace channel from highway bridge. Approx. 1850 cfs flow from Ward Tunnel and Rancheria Creek.
photCL SCE 02 - 44564
Visual Materials
Portal Powerhouse - Discharge at approximately 1800 cfs flow through Ward Tunnel.
photCL SCE 02 - 43920
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 - South side of channel, vicinity of highway bridge after 1100 cfs test flow.
photCL SCE 02 - 43905
Visual Materials
Portal Powerhouse - Undercutting of southwest abutment of Highway 168 bridge under Potter Creek
photCL SCE 02 - 43945
Visual Materials
Portal Powerhouse - Tailrace channel excavation progress in section isolated by diverting tunnel discharge in Potter Creek Channel.
photCL SCE 02 - 43545