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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: Mianus River-Frontal Long Island Sound

HUC Name
011000060401 Rippowam River-Frontal Stamford Harbor
011000060402 Mianus River-Frontal Cos Cob Harbor
011000060403 Byram River
011000060404 Fivemile River-Frontal Long Island Sound
011000060405 Horseneck Brook-Frontal Long Island Sound