Skip to main content
U.S. flag

An official website of the United States government


The main office for the Maryland-Delaware-DIstrict of Columbia Water Science Center is located in Catonsville, MD with field offices in Dover, DE and Frostburg, MD. Our staff consists of scientists, technicians, and support personnel who are committed to providing accurate and timely information to MD, DE, DC, and the Nation.

Baltimore Office of USGS

MD-DE-DC Water Science Center

5522 Research Park Drive
Catonsville, MD 21228
United States

View on map
Sampling Site at Easter Shore, MD

MD-DE-DC WSC: Delaware Field Office

Mc Daniel Drive
Dover, DE 19901
United States

View on map