Not only nothing new (other than the eternal bullet train) but CA has been, I believe, a leader in REMOVING dams and other structures in the name of "natural water flow". Of course the Sierra Club and their fellow travelers have been active with the EPA, Endangered Species and other FedGov & Courts in accomplishing those heart warming tasks for Mother Gaia!
Wonder how many Californian SUBJECTS look at the dustbowl that was once a reservoir and regretted?
Correct