Dry Creek Ecosystem Restoration - Sonoma County Water Agency / USACE
Key Features
Geotechnical Challenges
Innovative Solutions
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Two miles of ecosystem restoration
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Improves fish habitat conditions and promotes recovery of listed salmonid species in Russian River Watershed
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Creates secondary channels, alcoves, instream structures, and bank stabilization
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Steep bank repair near adjacent structures (~20 feet from residence)
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Construction dewatering within active creek channel (~7 feet of water flowing at 150cfs)
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Obtaining approval from regulatory permitting agencies (CDFW and RWQCB)
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Incorporation of vegetation and biotechnical features in rock slope protection (RSP)
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Design of gravel filter layer in lieu of using filter fabric behind RSP
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Utilization of geophysical surveying to explore subsurface conditions in remote locations with limited access