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

Visual Materials
Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Dam 7 looking north along axis. Inlet tunnel portal at lower left.
photCL SCE 02 - 40629

Visual Materials
Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Pouring concrete for block 10. Inlet portal of power tunnel shown at top just right of center. Block 8 ready for next 5' lift of concrete.
photCL SCE 02 - 40609

Visual Materials
Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Completion of 20' diversion tunnel plug at Dam 7.
photCL SCE 02 - 40672

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 - Progress pictures (from Group 1) - General view from Long Ridge, showing reservoir clearing, dam site, quarry, aggregate plant, tunnel portal, and temporary trestle across Willow Creek.
photCL SCE 02 - 40616

Visual Materials
Big Creek Powerhouse #4 - Progress pictures (from Group 1) - Outlet portal of power tunnel.
photCL SCE 02 - 40599