An official website of the United States government
Here’s how you know
Official websites use .gov
A .gov website belongs to an official government organization in the
United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Continuous data graphs Deep Creek Lake Near Thayerville, MD - USGS-03075871
Urgent for you to know:
Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see: www.doi.gov/shutdown.
Location context and information
Historical spillway datum is 1.82 ft from the gage datum in NAVD88. To convert NAVD88 datum to spillway datum, subtract 1.82 ft.