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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: Lower Hudson

HUC Name
0203010101 Peekskill Hollow Creek-Hudson River
0203010102 East Branch Croton River
0203010103 Croton River
0203010104 Saw Mill River-Hudson River
Monitoring Locations