Upper Delaware

Watershed Hydrology

The Upper Delaware watershed encompasses over 761,684 acres and stretches across New York, and Pennsylvania. Drainage basins like this one funnel all the streams, snowmelt, and rainfall to a common outlet such as the outflow of a reservoir, or mouth of a bay. View all watersheds using the interactive map


Surface Flows

Upper Delaware Watershed

Snowpack Depths

Upper Delaware Watershed

Dams & Reservoirs

Upper Delaware Watershed

Groundwater Levels

Upper Delaware Watershed

Upper Delaware Rivers

Rivers of the Watershed