California and the U.S.

The latest news and analysis covering water issues in Caliornia and the rest of the United States.

BLOG: Reducing Reliance on the Bay-Delta

California’s drought  – or lack thereof, according to some  –  has made national headlines again, prompting suggestions from many quarters on whether we need to divert more or less water from the San Francisco Bay-Delta estuary in response. Some of these suggestions reflect a basic understanding of California’s complex water system. Many don’t. But almost […]

Delta Smelt on the Brink

The fight to save the delta smelt, the beleaguered fish at the center of an increasingly bitter tug-of-war over water rights in the Sacramento-San Joaquin River Delta, is as close to a lost cause as ever, but fisheries biologists vow to continue the struggle to protect the species.

Fishery Decisions Could Help, Harm Water Supplies

Two developments in recent days outlined alternative strategies for protecting fish whose populations drive water-allocation decisions for much of California: A coalition of business and water groups petitioned the state to address a key predator of native fish, while members of Congress asked federal agencies not to force additional water-supply cutbacks on the species’ behalf. […]

BLOG: North Valley Regional Recycled Water Program: A New Water Source for Valley Farmers

Anthea Hansen, general manager of the Patterson, Calif.-based Del Puerto Water District, described the exciting work to bring more water stability in the form of recycled water to multiple Central Valley cities—in our five-part series on the North Valley Regional Recycled Water Program (NVRRWP).  “After six and a half years of effort,” Hansen said, “we have fully completed […]

BLOG: Surprising Way Climate Change Is Impacting Water

To understand what the future holds, sometimes we have to look at the past, Bruce Daniels has learned. Daniels is trying to help Californians understand future water availability by examining 85 years of daily precipitation records. His analysis has shown that water managers (and the rest of us) have some reason to be concerned. Daniels […]

California’s 58 Million Trees Have Suffered a Water Deficit

For two weeks in August, the researchers flew a plane called the Carnegie Airborne Observatory over forests throughout the state and aimed a laser-guided sensor at the trees to measure the water content of their canopies.up to 58 million trees have suffered a water deficit classified as extremely threatening to long-term forest health. California’s years-long […]