Habitat Enhancement

The listing of several Pacific Northwest salmonid populations as threatened or endangered has elevated habitat protection to a primary requirement of all stream and river related engineering projects. The need to address aquatic habitat protection has led river scientists and engineers to modify conventional techniques and develop alternative methods to engineer solutions to infrastructure and public safety problems.

At WSE we see ourselves serving clients in projects that require advanced technical expertise in hydrology, hydraulics, fluvial geomorphology, sediment transport, and channel stability. Our approach to these projects is to identify the physical processes at the root of the problem and then use this understanding to design habitat enhancing, low maintenance, cost effective solutions that enhance the ongoing and future morphology of the aquatic system.

WSE staff have both led and provided significant technical input to many such projects, including the design of side channel reconnections, fish-passage culverts, bridge waterways, restored channels, bank protection measures using large woody debris and bio-engineering, enhanced sediment management concepts, and similar projects.

Examples of our work in habitat enhancement


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viaKachess

Via Kachess Road Fish Passage Culvert Design

An existing CMP culvert which carries Lodge Creek under Via...
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LonesTurley

Lones Turley Restoration Project Hydraulic Modeling

The Lones Turley levee reach of the Middle Green River...
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Tolt

Tolt River Flood Hazard and Habitat Corridor Master Plan

King County’s River and Floodplain Management Section retained WSE and...
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YakimaR

Yakima River Flood Hazard Reduction & Habitat Restoration Corridor Plan

Kittitas County Public Works and partners seek to develop an...
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NaneumWilsonCherry

Naneum/Wilson/Cherry Watershed Assessment

The creeks that enter the Kittitas Valley near Ellensburg form...
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Satsop River Flood Plain Phase2a

Satsop River Floodplain Restoration Phase II

An earlier study for Grays Harbor County concluded that removing...
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12-004 Upper Hoh River Road Fish Culverts

Upper Hoh River Road Fish Culverts

WSE was retained to provide hydraulic engineering services for three...
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sqaulicum2

Squalicum Creek Channel Relocation and Modeling

The City of Bellingham completed design and construction of a...
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12-016 Manastash Creek Fish Habitat Enhancement & Flood Hazard Management Corridor Plan

Manastash Creek Fish Habitat Enhancement & Flood Hazard Management Corridor Plan

The Kittitas County Conservation District (KCCD) led an investigation to...
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12-009 Andrews Creek Culvert at Snow Creek Road

Andrews Creek Culvert at Snow Creek Road

Jefferson County identified Andrews Creek culvert at MP 3.78 on...
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Holden

Holden Mine Site Reclamation – Technical Review

Hart Crowser, under contract to the USDA Forest Service, is...
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filbert-channel

Filbert Creek Sediment Impact Investigation and Channel Redesign

Filbert Creek passes under SR-524 through a 14-foot wide, three-sided...
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WDFWguidelines

WDFW Bridge Design Guidelines for Fish Passage and Habitat Protection

The Washington State Department of Fish and Wildlife developed guidelines...
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Chehalis

Chehalis River Basin Flood Hazard Mitigation Alternatives Analysis

WSE was selected as part of the Anchor QEA study...
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