Interactive Map of Nutrient and Pathogen Impaired Waters in Massachusetts SNEP watersheds

There may be a delay on the display of information depending upon your internet connection speed.


The SNEP watershed is blue, the Buzzards Bay watershed is green with white subwatersheds. See the key and check boxes top right to turn on impaired waters. Click on an impaired water body for more information. Watersheds in some cases are approximate or not shown for certain systems. Information for Rhode Island not shown.