OPEN TODAY: 10 A.M.–5 P.M.

Visual Materials

Portal Powerhouse

Description: Portal Powerhouse - Approx. 300 cfs in tunnel diversion.
Type: Visual Materials(Opens in new tab)
Date: 9/16/1955
Call number: photCL SCE 02 - 43728
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

You might also be interested in

Portal Powerhouse
Visual Materials
Portal Powerhouse - construction with 440 cfs. diversion from Ward Tunnel.
photCL SCE 02 - 43761
Portal Powerhouse - Side Channel Diversion thru openings in 12' diameter pipe
Visual Materials
Portal Powerhouse - Side Channel Diversion thru openings in 12' diameter pipe - approx. 1700 cfs flow in Ward Tunnel
photCL SCE 02 - 44563
Portal Powerhouse
Visual Materials
Portal Powerhouse - First Diversion [cut into tunnel] 250 cfs - 8:30 a.m..
photCL SCE 02 - 43287
Portal Powerhouse
Visual Materials
Portal Powerhouse - Channel below powerhouse structure, flow approx. 1800 cfs thru Ward Tunnel.
photCL SCE 02 - 43922
Portal Powerhouse
Visual Materials
Portal Powerhouse - View of tunnel diversion during test flow of 490 cfs. Flow in diversion ditch from 12' pipe to junction with Rancheria Creek channel.
photCL SCE 02 - 43297
Portal Powerhouse
Visual Materials
Portal Powerhouse - View of tunnel diversion during test flow of 490 cfs. Flow from 6'x12' opening in 12' pipe.
photCL SCE 02 - 43296