Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Starting to fill Potter Creek temporary diversion channel after returning tunnel flow to permanent tailrace.
- Date
- 8/23/1955
- Call number
- photCL SCE 02 - 43686
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
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 - Tailrace channel excavation progress in section isolated by diverting tunnel discharge in Potter Creek Channel.
photCL SCE 02 - 43545
Visual Materials
Portal Powerhouse - Potter Creek channel used as temporary diversion. View from Hwy Bridge looking upstream.
photCL SCE 02 - 43647
Visual Materials
Portal Powerhouse - Progress picture showing lower end of Potter Creek diversion returning to main channel just upstream from highway bridge.
photCL SCE 02 - 43303
Visual Materials
Portal Powerhouse - 400 cfs flow from side channel spillway entering tailrace from new diversion.
photCL SCE 02 - 43961
Visual Materials
Portal Powerhouse - Diverting tunnel flow from Rancheria Creek channel across main channel and into Potter Creek channel.
photCL SCE 02 - 43308