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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 Wallkill River

HUC Name
020200070401 Masonic Creek-Wallkill River
020200070402 Mannayunk Kill-Wallkill River
020200070403 Tin Brook
020200070404 Dwaar Kill
020200070405 Muddy Kill-Wallkill River
020200070406 Kleine Kill-Wallkill River
020200070407 Swarte Kill-Wallkill River