Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Forebay - Foundation excavation in vicinity of sluice pipe. Picture covers from axis to upstream toe. Dragline excavating for impervious cut-off upstream from toe to lessen seepage.
photCL SCE 02 - 43310
Visual Materials
Portal Powerhouse - Water trapped during night around powerhouse structure - due to failure of diversion pipe to carry increased seepage thru rack fill between tunnel diversion channel and bench at elevation.
photCL SCE 02 - 43733
Visual Materials
Portal Powerhouse - South bank of powerhouse excavation with considerable seepage from tunnel diversion.
photCL SCE 02 - 43528
Visual Materials
Portal Powerhouse - Continuance of washing daused by break-through of seepage water from diversions. Discharge was reduced to eliminate auxiliary spill in pipe.
photCL SCE 02 - 43962
Visual Materials
Portal Powerhouse - Extent of washing due to high water in Potter Creek.
photCL SCE 02 - 44559
Visual Materials
Portal Powerhouse - North slope of excavation of tailrace in front of powerhouse structure.
photCL SCE 02 - 43758
