Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Portal Powerhouse - Water spout - temporary opening in 12' diameter pipe.
photCL SCE 02 - 44599
Visual Materials
Portal Powerhouse - Water spout - temporary opening in 12' diameter pipe.
photCL SCE 02 - 44600
Visual Materials
Portal Powerhouse - View of 8.5' diameter penstock pipe supports inside 12' diameter outlet pipe, Ward Tunnel.
photCL SCE 02 - 43560
Visual Materials
Portal Powerhouse - View showing timber backing for 14"welded plate diversion bulkhead in 12' diameter pipe.
photCL SCE 02 - 43307
Visual Materials
Portal Powerhouse - Setting pump for the first pumping of pool at end of 12' diameter pipe.
photCL SCE 02 - 43309
Visual Materials
Portal Powerhouse - 12' diameter pipe installed to reduce pressure at portal during high flows. At time, the lower baffle was still there at outlet restricting end area.
photCL SCE 02 - 43917
