Science
Legacy Mercury Contamination from Historical Gold Mining
A visualization tool for spatial data on sediment, water, and biota in the Sierra Nevada, California
The Bay-Delta
Data for better understanding the heart of California's watershed
Hydrologic Extremes
Information on drought, flood, and wildfire conditions - in emergencies and to better understand long-term changes
Organic Matter Research Lab
Providing services and support for regional and national projects
The U.S. Geological Survey California Water Science Center provides foundational data and scientific analysis to address water issues facing California. Explore your science through the themes and topics listed below.
California Water Data
Basic hydrologic data collection, processing, analysis, dissemination, and archiving are major parts of the California Water Science Center program.
California Water Science Center Laboratories
The California Water Science Center maintains two high quality, state-of-the-art scientific facilities that provide support to areas related to water science. This includes analytical capabilities, scientific support functions, experimental and modeling expertise, and field capabilities.