North Fork Dam (Clackamas County, Oregon)

The North Fork Dam is on the Clackamas River, about five miles upriver from Estacada, Oregon.[1] It was built in 1958.[1] The North Fork Reservoir is behind it.

North Fork Dam
Location of North Fork Dam in Oregon
CountryUnited States
LocationClackamas, Oregon
Coordinates45°14′36″N 122°16′47″W

Construction

It is a concrete arched dam, 206 feet high and 676 feet long,[1] is thin-shell of variable thickness. It varies in thickness from 32 feet at the base to 8 feet wide at the top.[1]

The fish ladder

North Fork's construction entailed the building of the 1.9-mile-long North Fork Fish Ladder, one of the longest in the world.[2] It also required a complex system to provide for downstream fish passage around the dam.

References
  1. "North Fork Dam and Powerhouse". The Oregon Encyclopedia. Retrieved 3 January 2016.
  2. "North Fork Fish Ladder". The Oregon Encyclopedia. Retrieved 3 January 2016.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.