USGS Groundwater Information
Fact Sheet: Understanding and Managing the Effects of Groundwater Pumping on Streamflow
Annotated List of Classic Pre-1980 USGS Groundwater Papers on Quantitative Groundwater-Flow Analysis
WaterNow: Get current water conditions by text or email
Groundwater's Greater Role in Waterways Demonstrated in Virginia
Circular: Streamflow Depletion By Wells: Understanding and Managing the Effects of Groundwater Pumping on Streamflow
MODPATH v6 released
USGS Discrete Groundwater Levels Web Service
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
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The U.S. Geological Survey provides unbiased, timely, and relevant information and studies about groundwater resources of the Nation.
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