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TAHUYA RIVER, WASHINGTON

Completed in 1999

For more information contact
Western Washington Fishery Resources Office
2625 Parkmont Lane, Bldg. A
Olympia, WA 98502

Project Description:

Buffin Creek and un-named stream WRIA 15-0470 are tributaries to the Tahuya River, which is located on the Kitsap Peninsula in western Washington. The Tahuya River discharges into the Hood Canal fjord of Puget Sound. The upper reaches of these streams had been inaccessible to anadromous salmonids due to each having a severe passage barrier; a poorly sized and placed road culvert.

 

Culvert on Buffin Creek before renovationCulvert on Buffin Creek after renovation
 

Culvert on Buffin Creek before (left) and after (right) renovation

 

Culvert on un-name stream before renovation
Step pools installed after renovation
Culvert on un-name stream before renovation
Step pools installed after renovation
 
Project Outcome:   Fish screen projects, some with a fish ladder have been completed on the Refuge. These prevent fish entrainment and from being diverted into pipes and canals.The former undersized culvert on Buffin Creek was replaced with a pipe arch culvert. The culvert was laid flat and countersunk, and three log weirs were installed to adjust the stream grade. Gravel was placed to restore the stream bed. In addition, rock riprap was placed to maintain road bank stability. On un-named stream WRIA 15-0470, the culvert remained; however, five log weirs were installed to provide step pools with adequate water depths for fish passage.
 
Benefits:   Renovation of both culverts opened up 4.5 miles of stream habitat that are within 2,210 acres of watershed area combined, in relatively undisturbed condition. In addition, 113 acres of wetland habitat are associated with these stream segments. Correcting these passage barriers provided unrestricted access to former spawning and rearing habitats for adult and juvenile coho salmon, steelhead trout, and cutthroat trout. Replacement of the Buffin Creek culvert also allows for more natural transport of woody debris and sediment through the system.
 
Partners:  

Reid Realty, Hood Canal Enhancement Group, Volunteer Services, Washington Aquatic Land Enhancement Action, Mason County Department of Public Works, Washington Department of Natural Resources Jobs for the Environment, and private landowners.

Funding History
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