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 #3 - Welman-Seaver-Morgan Valve
photCL SCE 02 - 08742

Visual Materials
Big Creek Powerhouse #3 - Penstock 3 Manifold from top of valve house, showing connections provided for three units in addition to the three constructed in 1923, and branch penstocks connecting with valve house in foreground.
photCL SCE 02 - 12060

Visual Materials
Big Creek Powerhouse #3 - PH #3 - Unit #1 test of roto valve in S. Morgan Smith shop.
photCL SCE 02 - 28757

Visual Materials
Big Creek Powerhouse #3 - PH #3 - Unit #1 test of roto valve to 780psi in S. Morgan Smith shop.
photCL SCE 02 - 28758

Visual Materials
Big Creek Powerhouse #3 - Powerhouse 3 - Valve and air vent set-up 24" blow-off.
photCL SCE 02 - 28246

Visual Materials
Big Creek Powerhouse #3 - Graded site for 40,000 gallon steel water tank on foreground. Trench excavation in progress for 6" water supply line to tank in background.
photCL SCE 02 - 41617