Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Channel cut in decomposed granite at outfall from Rancheria Creek to tailrace channel.
- Date
- 9/16/1955
- Call number
- photCL SCE 02 - 43729
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 - Diverting tunnel flow from Rancheria Creek channel across main channel and into Potter Creek channel.
photCL SCE 02 - 43308
Visual Materials
Portal Powerhouse - Lowering grade in diversion channel lower Rancheria Creek section
photCL SCE 02 - 43540
Visual Materials
Portal Powerhouse - Flow down diversion channel from 12' pipe to Rancheria Creek during 490 c.f.s. test flow.
photCL SCE 02 - 43300
Visual Materials
Portal Powerhouse - Test flow of 490 c.f.s. through the enlarged Rancheria Creek channel.
photCL SCE 02 - 43301
Visual Materials
Portal Powerhouse - Progress picture - Excavation in diversion channel to Rancheria Creek.
photCL SCE 02 - 43273