The population centers are Winslow, Galloway and Hammonton. About 80 percent of this watershed consists of state parks and forests, with the remainder being agricultural and developed areas. For the Mullica River at Atsion heavy metals violations were frequent in these acid waters, especially during the early period of review. Two of five copper samples exceeded the acute and chronic criteria. Of five lead samples, two exceeded both the acute and chronic criteria, while two others violated the chronic criteria.
Sanitary quality is very good.
Fecal coliform levels were very low.