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Important for you to know:

  • New to WDFN: customize and keep track of your list of favorite monitoring locations and data types using the new My Favorites page. To learn more, read our announcement on our Water Data for the Nation blog.

Hydrological Unit: Gwynns Falls

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