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Important for you to know:

  • New to WDFN: customize and keep track of your list of favorite monitoring locations and data types using the new My Favorites page. To learn more, read our announcement on our Water Data for the Nation blog.

Hydrological Unit: Williams River-Housatonic River

HUC Name
011000050201 Williams River
011000050202 Green River
011000050203 Hubbard Brook
011000050204 Ironwork Brook-Housatonic River