The Salton Sea is facing many challenges as inflows and water levels decline. USGS science helps identify problems and evaluate possible solutions.
Grand Canyon Monitoring and Research Center
How does Glen Canyon Dam affect downstream Colorado River resources?
Department of Interior Unified Region 8
The Southwest portion of the USGS Southwest Region
Region 8: Lower Colorado Basin
The Lower Colorado Basin includes Arizona, southern Nevada, and southern California. The Regional Office, headquartered in Sacramento, provides Center oversight and support, facilitates internal and external collaborations, and works to further USGS strategic science directions. Our scientists do a broad array of research and technical assistance throughout the U.S. and across the globe.