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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: Rocky Marsh Run-Potomac River

HUC Name
020700041101 Harlan Run
020700041102 Little Conococheague Creek
020700041103 Camp Spring Run-Potomac River
020700041104 Saint James Run-Marsh Run
020700041105 Rockymarsh Run
020700041106 Rattlesnake Run-Potomac River
020700041107 Elks Run
020700041108 Harpers Ferry-Potomac River