Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Emergency ditch dug to control increased flow thru bank at lower left.
- Date
- 9/22/1955
- Call number
- photCL SCE 02 - 43735
Visual Materials
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Downstream thru spray chamber at approx. 1800 cfs flow thru Ward Tunnel.
photCL SCE 02 - 43921
Visual Materials
Portal Powerhouse - Channel below powerhouse structure, flow approx. 1800 cfs thru Ward Tunnel.
photCL SCE 02 - 43922
Visual Materials
Portal Powerhouse - 1500 cfs flow thru by-pass pipe with unrestricted end area.
photCL SCE 02 - 43912
Visual Materials
Portal Powerhouse - Another view of discharge at approximately 1500 cfs flow thru tunnel.
photCL SCE 02 - 43919
Visual Materials
Portal Powerhouse - Water leakage through toe of tunnel dump fill between diversion ditch and powerhouse area during 490 c.f.s. flow.
photCL SCE 02 - 43299
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