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

Visual Materials
Portal Powerhouse - Upstream end 12' pipe - Diversion bulkhead in background.
photCL SCE 02 - 43282

Visual Materials
Portal Powerhouse - Portal Forebay - Downstream side of dam showing outlet end of 24" sluice pipe.
photCL SCE 02 - 43786

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

Visual Materials
Portal Powerhouse - Outer end of 12' pipe showing install of I-beams for supporting penstock.
photCL SCE 02 - 43650

Visual Materials
Portal Powerhouse - Flow 425 cfs. view from upper end looking south.
photCL SCE 02 - 43648

Visual Materials
Portal Powerhouse - View showing leakage through tunnel dump fill from diversion ditch during 490 c.f.s. flow, spilling into pool at end of 12' pipe.
photCL SCE 02 - 43298