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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: Pequonnock River-Frontal Long Island Sound

HUC Name
011000060301 Pequonnock River-Frontal Long Island Sound
011000060302 Mill River-Frontal Long Island Sound
011000060303 Rooster River-Frontal Long Island Sound