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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.

Hydrological Unit: Upper Wallkill River

HUC Name
020200070101 Lake Mohawk-Wallkill River
020200070102 Papakating Creek
020200070103 Beaver Run-Wallkill River
020200070104 Quarryville Brook-Wallkill River