Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Temporary flow diversion from 12' pipe [Ward Tunnel]. Flow about 425 cfs..
- Date
- 8/11/1955
- Call number
- photCL SCE 02 - 43643
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Temporary flow diversion from 12' pipe [Ward Tunnel]. Flow about 425 cfs..
photCL SCE 02 - 43644

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

Visual Materials
Portal Powerhouse - Side Channel Diversion thru openings in 12' diameter pipe - approx. 1700 cfs flow in Ward Tunnel
photCL SCE 02 - 44563

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

Visual Materials
Portal Powerhouse - Tunnel flow approximately 1700 cfs. About 400cfs of flow comes from side opening in pipe.
photCL SCE 02 - 43881

Visual Materials
Portal Powerhouse - Opening in 12' pipe [near end of Ward Tunnel] for diversion.
photCL SCE 02 - 43281