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Important for you to know:

  • New to WDFN: daily data are now available in WDFN! Visit a Monitoring Location Page and scroll to the "Available data" section to graph daily data types. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: North Branch Patapsco River

HUC Name
020600030801 East Branch North Branch Patapsco River
020600030802 Headwaters North Branch Patapsco River
020600030803 Beaver Run-Liberty Lake
020600030804 Morgan Run-Liberty Lake
020600030805 Deep Run-North Branch Patapsco River
020600030806 Falls Run-North Branch Patapsco River