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 - Break in pressure main - Upper end of penstock 8 collapsed [due to the sudden release of water when the penstock failed at the Powerhouse]
photCL SCE 02 - 07184

Visual Materials
Big Creek - Powerhouse 8 - Break in lower section collapsed pipe [in the upper end of the penstock].
photCL SCE 02 - 07191
![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 - Break in pressure main at 5am (8/20/1921) [Huge section of the 1.12 inch thick steel penstock ripped like cardboard.]
photCL SCE 02 - 07181

Visual Materials
Big Creek - Break in pressure main at 5am (8/20/1921) [Huge section of the 1.12 inch thick steel penstock ripped like cardboard.]
photCL SCE 02 - 07182

Visual Materials
Storm damage at Mill Creek #1 Pressure main (penstock).
photCL SCE 02 - 03050