65 CFS Custom Design

Crabtree Creek

Crabtree Creek

Crabtree Creek had a variety of site challenges: multiple endangered species, high organic debris flow, wider operation range, and minimal elevation gradient.

About

Crabtree Creek is an important spawning stream for salmon and steelhead.

With the replacement of an old rotary drum screen and the installation of a custom-designed Farmers Screen, 13.5 miles of river is now open for safe fish passage. The Farmers Screen has also reduced maintenance costs and optimized hydroelectric revenue for the Lacomb Irrigation District.

View inside the plenum, with screened water exiting to the conveyance.
Entrance to inlet flume.
Finishing up construction, dry screen material is visible in the screen flume.
Looking upstream at inlet flume and headgate.
Earthwork around the entrance flume and the screen structure.
Putting the finishing touches on the screen material install.
Workers installing the screen material.
Lacomb Irrigation District's 65 CFS Farmers Screen during construction.
Temporary diversion during construction to maintain flow for hydro production and irrigation.
Lacomb Irrigation District's water conveyance.
  • Type: 65 CFS Custom Design
  • Location: Lacomb, Oregon
  • Basin: Santiam-Calapooie
  • Owner: Lacomb Irrigation District
  • Engineering Partners: Anderson Perry & Associates, Inc.
  • Partners: Steve Hoerauf Construction, ODFW, USFW, Fish America Foundation, NRCS, NMFS, Specialty Metal Fabrication
  • Funding: Lacomb Irrigation District, ODFW – FRIMA, NRCS, Fish America Foundation
  • Installation Date: November 1, 2007
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