An USGS map of the Taunton River WatershedA sign in Berkley, MA indicates that "You are in the Taunton River Watershed"
The Taunton River watershed or Taunton River basin is made up of 562 square miles (1,500 km2) of rivers, lakes, ponds, streams, and wetlands in southeastern Massachusetts, US. It is the second largest watershed in the state. Also, it is a significant part of a much larger multi-state watershed, the Narragansett Bay watershed.