There are currently 13 No Discharge Areas (NDAs) in Massachusetts:

• The coastal waters of Revere, Saugus, Lynn, Nahant, and Swampscott, including the Pines and Saugus Rivers
• All of Cape Cod Bay (PDF, 1 MB)
• Boston Harbor - the coastal waters of Winthrop, Chelsea, Everett, Boston, Quincy, Milton, Weymouth, Braintree, Hingham, and Hull, including the Charles River in Watertown, Newton, and Cambridge
• Salem Sound - the coastal waters of Manchester-by-the-Sea, Beverly, Danvers, Salem, and Marblehead
• The coastal waters of Cohasett, Scituate, and Marshfield
• The coastal waters of Plymouth, Kingston, and Duxbury
• All of Buzzards Bay
• Waquoit Bay in Falmouth
• The coastal waters of Harwich
• Three Bays/Centerville Harbor in Barnstable
• Stage Harbor in Chatham
• Wellfleet Harbor
• The coastal waters of Nantucket from Muskeget Island to Great Point, including Nantucket Harbor