I thought this was interesting.

https://www.gov.ca.gov/2023/05/16/go...r-restoration/

Published: May 16, 2023

WHAT YOU NEED TO KNOW: Local, state and federal officials announced an agreement to restore the Yuba River and reopen the waterway to salmon and sturgeon for the first time in more than 100 years.

YUBA RIVER – At the launch of one of the most ambitious watershed recovery efforts in California, Governor Gavin Newsom today joined state, federal and local officials to announce a landmark framework agreement that will reopen miles of habitat to multiple native fish species. The agreement sets the stage for the return of imperiled spring-run Chinook salmon to their native habitat in the North Yuba River for the first time in more than 100 years.