California's Central Valley USGS California Water Science Center

What's an Aquifer? An Interactive Guide to Understanding

California Water Science Center - Data & Tools

Delta-Mendota Canal: Groundwater Conditions and Land Subsidence

Uranium Contaminates Water Across California's Central Valley

USGS Study: 1200 Square Miles of Central Valley Land Is Sinking

Sacramento Valley USGS California Water Science Center

Research Contacts USGS California Water Science Center

San Joaquin Groundwater Basin Studies

USGS Natural Hazards Science

Groundwater depletion in California's Central Valley accelerates

USGS Professional Paper 1766: Groundwater Availability of the