. "Mercer Lake, also known as Lake Mercer, is a man-made lake within Mercer County Park in West Windsor, Mercer County, New Jersey, United States. The lake came into being with the 1975 construction of a dam to control flooding on the Assunpink Creek in nearby Trenton by the United States Department of Agriculture Soil Conservation Service (now the Natural Resources Conservation Service)."@en . "18.8976"^^ . . . . . . "1.4771e+06"^^ . "Mercer Lake"@en . . . .