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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: Upper Machodoc Creek-Frontal Potomac River

HUC Name
020700110601 Upper Machodoc Creek
020700110602 Rosier Creek-Frontal Potomac River
020700110603 Mattox Creek
020700110604 Popes Creek-Frontal Potomac River