Visual Materials
Portal Powerhouse
- Description
- Portal Powerhouse - Intake Channel erosion thru blanket and blanket protection since placement in 1955.
- Date
- Aug. 1956
- Call number
- photCL SCE 02 - 44790
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Intake Channel erosion thru blanket and blanket protection since placement in 1955. [stream measurement station & weir]
photCL SCE 02 - 44789

Visual Materials
Portal Powerhouse - Forebay - Intake channel erosion through blanket & blanket protection since placement in 1955.
photCL SCE 02 - 44787

Visual Materials
Portal Powerhouse - Channel & Powerhouse structure, 700 cfs. Water flowing thru unrestricted By-Pass.
photCL SCE 02 - 43893

Visual Materials
Portal Powerhouse - Channel below powerhouse structure, flow approx. 1800 cfs thru Ward Tunnel.
photCL SCE 02 - 43922

Visual Materials
Portal Powerhouse - Portal Forebay - Excavation in progress in intake channel.
photCL SCE 02 - 43725

Visual Materials
Portal Powerhouse - Deepening tailrace channel near powerhouse before end of outage and start of diversion thru by-pass.
photCL SCE 02 - 43801