Opening Hours
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108

Visual Materials
Portal Powerhouse - Discharge through spray chamber at approx. 1350 cfs.
photCL SCE 02 - 43931

Visual Materials
Portal Powerhouse - Flow from outlet at 1000 cfs. into Wye branch.
photCL SCE 02 - 43886

Visual Materials
Portal Powerhouse - Lower end of new diversion after first flow of 400 cfs, during outage to install restriction.
photCL SCE 02 - 43926

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

Visual Materials
Portal Powerhouse - Total flow 1600 cfs - 300 from side outlet. Strong vibration.
photCL SCE 02 - 43888

Visual Materials
Portal Powerhouse - Flow test - Flow approximately 1200 cfs. - Water spilling at side outlet.
photCL SCE 02 - 43877