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Important for you to know:

  • New to WDFN: explore current and historic water data available in your area of interest and filter to find monitoring locations that collect the water data you need through Explore USGS Water Data. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: Gwynns Falls

HUC Name
020600030901 Red Run-Gwynns Falls
020600030902 Dead Run-Gywnns Falls