Pelham Road Bridge (IMAGE) University of Massachusetts Amherst Caption The Pelham Island Road bridge is on the Sudbury River in Wayland, Mass. A new study by watershed scientist Timothy Randhir of UMass Amherst suggests that threats such as water shortages and poor quality to rivers such as the Sudbury, Assabet and Concord Rivers in northeast Massachusetts can be met if managers begin to act now. Credit UMass Amherst/Allison Roy Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.