New & Noteworthy

 Press Release: Deficit in Nation's Aquifers Accelerating

 MODFLOW-USG: An Unstructured Grid Version of MODFLOW

 USGS Threatened and Endangered Stations

 Report to Congress: Progress Toward Establishing a National Assessment of Water Availability and Use

 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

  Circular: Streamflow Depletion By Wells: Understanding and Managing the Effects of Groundwater Pumping on Streamflow

USGS Groundwater Watch

USGS maintains a network of active wells to provide basic statistics about groundwater levels.

USGS in Your State

USGS Water Science Centers are located in each state.

Other Sources of Groundwater Information

Government Agencies & Resources

• U.S. Environmental Protection Agency (EPA)
  • EPA Office of Water
  • EPA Databases
  • EPA Drinking Water Data and Databases
  • EPA's Surf Your Watershed
• USGS - Additional Sources of Water Information
• Science.gov - gateway to authoritative selected science information provided by U.S. government agencies
• U.S. Water Monitor -- Portal To Federal Water Information
• Natural Resources Conservation Service - National Water and Climate Center (USDA)
• USDA Natural Resources Geospatial Data Gateway
• National Climatic Data Center (NOAA)
• National Transportation Atlas Database
• Advisory Committee on Water Information - Subcommittee on Ground Water
• U.S. Army Corps of Engineers Hydrologic Engineering Center
• State Agencies
  • California Department of Water Resources - Groundwater Information Center
  • Massachusetts Department of Environmental Protection - Priority Resource Map

Scientific Organizations

• American Geophysical Union(AGU)
• American Water Resources Association (AWRA)
• American Water Works Association (AWWA)
• Association of American State Geologists
• Geological Society of America (GSA)
• National Ground Water Association (NGWA)
  • http://www.wellowner.org/
• The Groundwater Foundation
• Conservation Technology Information Center (CTIC)
  • Know Your Watershed
• Water Systems Council
  • Well Care Hotline

If you are aware of additional groundwater resources that should be included in this list, please contact us.