Skip to main content
U.S. flag

An official website of the United States government


An official USGS software project is code reviewed and approved at the bureau-level for distribution. Stay tuned for software project updates.

Ecological Data Mapper

This application was created to visualize and interact with the ecological data from the ongoing monitoring effort on two previously restored streams in Reston, Virginia - Snakeden Branch and The Glade. The “Reston monitoring program” includes the measurement of hydrologic, water-quality, and ecological data and evaluations of changes in these measurements over time. For more information about the