USGS Groundwater Information
Video: Shale Gas, Hydraulic Fracturing, and Induced Earthquakes
USGS Groundwater Data Go to Times Square
TWRI-B3 Chapter 2: Introduction to Ground-Water Hydaulics [12MB PDF], now with internal document links added
Groundwater-Level Response to Virginia 2011 Earthquake
Groundwater Technical Procedures of the USGS
USGS maintains a network of active wells to provide basic statistics about groundwater levels.
USGS Water Science Centers are located in each state.
Water Resources
Water Quality
Water Use
Surface Water
The U.S. Geological Survey provides unbiased, timely, and relevant information and studies about groundwater resources of the Nation.
More groundwater basics ...
More data & information ...
More topics ...
More publications ...
More methods & modeling ...
USGS Home Water Resources Biology Geography Geology Geospatial