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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: Saint Marys River-Frontal Potomac River

HUC Name
020700110901 Western Branch Saint Marys River-Saint Marys River
020700110902 Eastern Branch-Saint Marys River
020700110903 Saint George Creek-Saint Marys River
020700110904 Jutland Creek-Frontal Potomac River