If You have Questions or Need Assistance...
Use our online form for feedback and questions about water. While we make every effort to reply to your inquiries as soon as possible, please allow up to seven days for a response.
Use the Electronic Phone Book to locate a specific USGS employee, or call toll-free 1-888-ASK-USGS (1-888-275-8747).
For topical information or to contact USGS Water science-specialty offices:
- Groundwater—Information and studies about aquifers and well water resources for the Nation
- Surface Water—Information and studies about streams, reservoirs, and lake water resources of the Nation
- Water Quality—Information and studies about chemicals and contaminants in water resources of the Nation
USGS Water Science Centers have local USGS water information in your state
Contact Information for Other USGS Resources
USGS National Center
12201 Sunrise Valley Drive
Reston, VA 20192, USA
Use the Contact USGS web form for general USGS questions.
USGS Office of Communications staff is available to the media around-the-clock.