With eradication out of reach, the Aquatic Invasive Plant Control Program focuses on keeping invasive aquatic vegetation from overwhelming Delta waterways Invasive aquatic vegetation has become one of the Sacramento-San Joaquin Delta’s most persistent challenges, affecting ecosystems, navigation, water operations,...
By Cariad Hayes Thronson In late June, a controversial new reservoir project in Northern California received a commitment for nearly $269 million in additional state funding, even as the State Water Resources Control Board weighs comments on a draft water...
By Alastair Bland In spite of a relatively wet winter, late rains, and high reservoir levels—conditions that generally benefit aquatic ecosystems—California’s ailing chinook salmon are facing unexpected peril in the main river system where they spawn. State officials and environmental...
State agencies highlight nature-based solutions for the Delta Nature-based solutions use natural systems and working landscapes to reduce greenhouse gas...
Even by California’s standards of extreme variability, water year 2025–26 has been a strikingly poor snow year, especially in the mountains that feed the Delta watershed. A dry fall and January limited snow buildup even after a few early storms,...
Groundwater-driven land sinking in the San Joaquin Valley is reducing aqueduct capacity, prompting interim repairs and long-term planning. At Metropolitan...
By Robin Meadows About a decade ago, researchers at the University of California, Davis made a surprising discovery while teaching a class in Suisun Marsh, the largest contiguous brackish wetland on the west coast of North America. While most of...