Since golden mussels were recently identified in the Sacramento-San Joaquin Delta, waterways in parts of Northern California and the Bay Area have introduced new rules for boaters.

Water systems located in nearly every single California county are at risk of failing, according to a map created by Newsweek using data from the California State Water Resources Control Board.

The state cut in half the amount of water it is pulling from the Delta to send to cities and farms, citing environmental ...