Welcome to the California Water Science Center
The California Water Science Center (CAWSC) is one of 48 Water Science Centers in the Water Mission Area of the U.S. Geological Survey (USGS). The Water Science Center's mission is to collect, analyze and disseminate the impartial hydrologic data and information needed to wisely manage water resources for the people of the United States and the State of California.
Merced River at Happy Isles in Yosemite National Park
Click to go to the Merced River at Happy Isles in Yosemite National Park Webcam.