Skip to main content

Important for you to know:

  • New to WDFN: daily data are now available in WDFN! Visit a Monitoring Location Page and scroll to the "Available data" section to graph daily data types. 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