When conducting research on private property, United States Geological Survey (USGS) employees must comply with State and Tribal laws, including trespassing and privacy laws. USGS employees are required to obtain written permission from the landowner when conducting new research and must make the data available at the landowner's request.
Where can I find flood maps?
What is the difference between a confined and unconfined aquifer?
Does the use of pesticides affect our Nation's water quality?
How much natural water is there?
The USGS monitors and studies a wide range of water resources and water conditions, including streamflow, groundwater, water quality, and water use and availability.