Daily: 10 A.M.–5 P.M.
Closed on Tuesdays
1151 Oxford Road
San Marino, CA 91108
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Dam 7 Diversion Tunnel portal]
photCL SCE 02 - 42031
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Tunnel portal for Dam 7 diversion]
photCL SCE 02 - 42030
Visual Materials
Big Creek Powerhouse #4 - Inlet portal of diversion tunnel. [for constructing Dam 7]
photCL SCE 02 - 41597
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 portal of dam diversion tunnel.
photCL SCE 02 - 29150
Visual Materials
Big Creek Powerhouse #4 - Construction pictures taken by Dam & Tunnel Office. [Diversion Tunnel portal]
photCL SCE 02 - 42025
