Skip to content

Portal Powerhouse - View of channel after start of first diversion | Collections | The Huntington

Membership

Donate

Store

OPEN TODAY: 10 A.M.–5 P.M.

Home
Collections
Search
Southern California Edison collection of negatives and photographs
Portal Powerhouse - View of channel after start of first diversion

Visual Materials

Portal Powerhouse - View of channel after start of first diversion

Description: Portal Powerhouse - View of channel after start of first diversion - 250 cfs., 8:00 a.m..
Type: Visual Materials(Opens in new tab)
Date: 7/12/1955
Call number: photCL SCE 02 - 43283
Find out more: View in the Huntington Digital Library(Opens in new tab); View in the Library catalog(Opens in new tab)

Subscribe to our e-newsletter

About
Accessibility
Land Acknowledgment
Using the Library
Careers
Host an Event
Volunteer
Press
Contact Us
Filming/Photography

Opening Hours

Daily: 10 A.M.–5 P.M.

Closed on Tuesdays

Admission Info and Tickets

1151 Oxford Road
San Marino, CA 91108

Privacy Policy
Social Media Guidelines and User Policy

©2026 The Huntington

Charity Navigator

You might also be interested in

Portal Powerhouse - View down Rancheria Creek channel - first diversion
Visual Materials
Portal Powerhouse - View down Rancheria Creek channel - first diversion - 250 cfs - 8:00 a.m..
photCL SCE 02 - 43284
Portal Powerhouse - 250 cfs flow in channel - First Diversion
Visual Materials
Portal Powerhouse - 250 cfs flow in channel - First Diversion - 8:15 a.m..
photCL SCE 02 - 43285
Portal Powerhouse - View from top of 12' pipe - First Diversion 250 cfs
Visual Materials
Portal Powerhouse - View from top of 12' pipe - First Diversion 250 cfs - 8:25 a.m..
photCL SCE 02 - 43286
Portal Powerhouse
Visual Materials
Portal Powerhouse - First Diversion [cut into tunnel] 250 cfs - 8:30 a.m..
photCL SCE 02 - 43287
Portal Powerhouse - Side Channel Diversion thru openings in 12' diameter pipe
Visual Materials
Portal Powerhouse - Side Channel Diversion thru openings in 12' diameter pipe - approx. 1700 cfs flow in Ward Tunnel
photCL SCE 02 - 44563
Portal Powerhouse
Visual Materials
Portal Powerhouse - 400 cfs flow from side channel spillway entering tailrace from new diversion.
photCL SCE 02 - 43961