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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: Hempstead Harbor-Frontal Long Island Sound

HUC Name
020302010101 Alley Creek-Little Neck Bay
020302010102 Mitchells Creek-Manhasset Bay
020302010103 Glen Cove Creek-Hempstead Harbor
020302010104 East Creek-Frontal Long Island Sound