Fortuna Fish Passage

Project Location:
Fortuna, California
Project Description:
The project objectives are to improve flood control , seismic stability, and instream and riparian
habitat on Rohner Creek and Hillside Creek within the City of Fortuna. Improvements from the
project will include channel widening and bank stabilization, design of a floodplain swale for
flows exceeding a 10 year return interval storm , retrofitting of the 1 i h street culvert to improve
fish passage, replacement of three culverts, and replacement three bridges to improve flood
conveyance. lnstream work will require the installation of coffer dams. Temporary stream
dewatering wi ll be requi red to isolate work areas. Stream dewatering will occur after fish and
amphibian exclusion and relocation. To view more of this project, visit here.