Ulster County consists of several major, and notable watersheds. The East and West Branches of the Neversink River, and the Dry Brook are part of the Delaware River Watershed. The Upper and Lower Esopus Creeks, the Upper and Lower Rondout Creeks, the Wallkill River, the Plattekill, and the Black Creek are all part of the Hudson River Watershed.
Watershed and Stream Management Plans Groups, and Other Resources:
Hudson River Estuary Program (NYSDEC)