A multi-million dollar expansion of the Yolo Bypass will help divert more winter storm runoff away from Sacramento to strengthen the region's flood protection.
Infrastructure meant to prevent flooding in California cities is aging and experts say the state must prepare for more intense storms as they prepare for an unpredictable El Niño winter.
In our fourth year of drought, it may be hard to imagine more than 7 million Californians are at risk of flooding. We are taking a look at our infrastructure.