Water Supply

California must capture water, not waste it

California must capture water, not waste it

We don't know for sure whether the El Niño we face this winter will be a drought buster or a bust. But we had better prepare for a lot of rain and the potential flooding, landslides and disruptions we know especially heavy winter storms can bring to California. At the same time, we need to look past the coming

El Niño at the long-term changes in our weather patterns, as climate change poses new challenges to water managers, planners, utilities and, indeed, all of us.

For the last century, California has had two key strategies for dealing with its winter wet season: Build big reservoirs on the rivers draining the Sierra Nevada to capture and store seasonal...