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Important for you to know:

  • New to WDFN: explore current and historic water data available in your area of interest and filter to find monitoring locations that collect the water data you need through Explore USGS Water Data. To learn more, read our announcement on the 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