USGS Groundwater Information
Groundwater Resources Program
NewsroomGroundwater Availability Detailed in California's Central Valley USGS Groundwater WatchUSGS maintains a network of active wells to provide basic statistics about groundwater levels. Other Water TopicsUSGS in Your StateUSGS Water Science Centers are located in each state. |
USGS Groundwater Resources ProgramThe Groundwater Resources Program provides the objective scientific information and develops the interdisciplinary understanding necessary to assess and quantify the availability of the Nation's groundwater resources. |