Client Project
Oregon Department of Transportation Assessed the impacts to fish of a culvert replacement project on the Lower Columbia River Highway. The culvert precluded anadromous salmonid spawning and rearing in Miller Creek, a pristine forested watershed in Portland's Forest Park.
City of Oregon City Currently pursuing a waiver of fish passage regulations under House Bill 2102 (1999) for a major intersection realignment in Clackamas County, Oregon. Habitat upstream of the existing barrier is poor, and the resource would be better served by the rehabilitation of passage in a nearby drainage.
Confidential Client MB&G fish biologists evaluated and inventoried potential culvert barriers along seven drainages on private industrial timberland located in the Willamette Valley, Oregon.
Oregon Department of Transportation Assessed the impacts to fish of a culvert replacement on the McKenzie Highway. The culvert was a partial barrier to migration and was replaced with a bridge.
Confidential Client MB&G fish biologists evaluated the condition of culverts along a valley bottom road in the Oregon Coast Range. Identified issues included fish passage, water quality, and hydraulic effects of the existing culverts.

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