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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: Middle Potomac-Catoctin

HUC Name
0207000801 Catoctin Creek
0207000802 Piney Run-Potomac River
0207000803 South Fork Catoctin Creek-Catoctin Creek
0207000804 Tuscarora Creek-Potomac River
0207000805 Upper Goose Creek
0207000806 North Fork Goose Creek
0207000807 Lower Goose Creek
0207000808 Seneca Creek
0207000809 Broad Run-Potomac River
0207000810 Difficult Run-Potomac River
Monitoring Locations