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
![Break in Sierra pressure pipe [penstock]](/_next/image?url=https%3A%2F%2Frail.huntington.org%2FIIIF3%2FImage%2F22APN4VMVTCA%2Ffull%2F%5E360%2C%2F0%2Fdefault.jpg&w=750&q=75)
Visual Materials
Break in Sierra pressure pipe [penstock].
photCL SCE 03 - 00265

Visual Materials
Big Creek - Powerhouse 8 - Break in lower section collapsed pipe [in the upper end of the penstock].
photCL SCE 02 - 07191

Visual Materials
Sierra Powerhouse - Pipe from tailrace, sandbox water supply.
photCL SCE 02 - 26902

Visual Materials
Sierra Powerhouse - Pipe from tailrace, sandbox water supply.
photCL SCE 02 - 26903
Image not available
Visual Materials
Sierra penstock break, new pipeline, intake house, diversion - powerhouse; Borel Powerhouse and water diversions, original Pelton-Doble turbines, and change over to horizontal Pelton-Francis turbines; various substations; Meter testing; Mentone hydroelectric project; Pedley hydroelectric project; Casing Head Gasoline plant; Old Redondo Steam Plant construction and facilities; Stone Castle plant after fire; Ventura Power Co. steam plants, gas plant and substations; Pasadena; Wash at Sunnyslope substation; Water plant at San Bernardino
photCL SCE