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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: Napeague Bay-Block Island Sound

HUC Name
020302020801 Gardiners Island-Frontal Block Island Sound
020302020802 Lake Montauk-Frontal Block Island Sound
020302020803 Fishers Island-Frontal Block Island Sound
020302020804 Block Island Sound