Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek Powerhouse #4 - Outlet of diversion tunnel flow about 5000 cfs.
photCL SCE 02 - 30049
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [upper inlet portal of Dam 7 construction diversion tunnel with bypass flow]
photCL SCE 02 - 42432
Visual Materials
Big Creek Powerhouse #4 - Lower end of diversion tunnel after closing bulkhead
photCL SCE 02 - 30399
Visual Materials
Big Creek Powerhouse #4 - Outlet of diversion tunnel - flow = 5500cfs [at base of Dam 7].
photCL SCE 02 - 30073
Visual Materials
Big Creek Powerhouse #4 - Detail of floor of lower end of diversion tunnel, showing one years wear on rock from normal river bed load.
photCL SCE 02 - 30396
Visual Materials
Big Creek Powerhouse #4 - Diversion tunnel.
photCL SCE 02 - 41771
