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.
Due to a lapse in government funding, this website is not currently being updated. For more information please visit: www.doi.gov/shutdown
Feature to see a series of graphs of all current sensor data collected at a single location is available now.
Graphing data for 5 locations on a single graph now available on WDFN
A look into the current and coming soon features available in WDFN. Updated in 2025 to highlight progress and include links to new features
