USGS Groundwater Information
New & Noteworthy
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 USGS Water Science Areas
Contact the USGS Office of Groundwater (OGW)
The U.S. Geological Survey provides unbiased, timely, and relevant information and studies about groundwater resources of the Nation. Learn more about USGS groundwater science.
Phone: (703) 648-5001
While we make every effort to reply to your inquiries as soon as possible, please allow up to seven days for a response.
Contact Information for Other USGS Resources
For general USGS questions, contact Ask USGS online or call 1-888-ASK-USGS (1-888-275-8747).
For other national USGS water information, you can contact:
For local USGS water information or data, contact the USGS Water Science Center in your area by selecting the state or region:
To locate a specific USGS employee, use the Electronic Phone Book.
For media inquiries, the USGS Office of Communications staff is available to the media around-the-clock.
The USGS does not regulate water use or water quality or enforce groundwater or drinking-water standards. For information on groundwater and drinking-water regulations, contact the U.S. Environmental Protection Agency Office of Groundwater and Drinking Water. You can also report spills or environmental violations to the U.S. Environmental Protection Agency.