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

Visual Materials
Portal Powerhouse - Lowering grade in diversion channel lower Rancheria Creek section
photCL SCE 02 - 43540

Visual Materials
Portal Powerhouse - Flow down diversion channel from 12' pipe to Rancheria Creek during 490 c.f.s. test flow.
photCL SCE 02 - 43300

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 - Progress picture showing lower end of Potter Creek diversion returning to main channel just upstream from highway bridge.
photCL SCE 02 - 43303

Visual Materials
Portal Powerhouse - View down Rancheria Creek channel - first diversion - 250 cfs - 8:00 a.m..
photCL SCE 02 - 43284

Visual Materials
Portal Powerhouse - Tailrace channel excavation progress in section isolated by diverting tunnel discharge in Potter Creek Channel.
photCL SCE 02 - 43545