Santa Cruz, CA
831.421.9291
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  Portland, OR
503.227.5979
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Murtaugh Creek Fish Passage

postClient: Tualatin River Watershed Council

Waterways staff prepared engineering designs and specifications to improve passage for steelhead and cutthroat trout on a headwater tributary to the Tualatin River in Washington County, OR. The site consisted of a seasonal flashboard dam. Downstream of the flashboard dam the channel had incised 3-feet creating a fish passage barrier under most flow conditions. The design consists of a series of five rock weirs to build the bed up downstream of the structure and provide fish passage under all flow conditions by creating a backwater condition at the dam. Waterways assisted the TRWC with the permitting and construction supervision. The project was constructed in Summer 2008.




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