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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: Severn

HUC Name
0206000401 Magothy River-Frontal Chesapeake Bay
0206000402 Severn River-Frontal Chesapeake Bay
0206000403 South River-Chesapeake Bay
0206000404 Herring Bay-Frontal Chesapeake Bay
Monitoring Locations