Pentwater Lake
Pentwater Lake is a water body adjacent to the village of Pentwater, Michigan. Its primary inlet is the Pentwater River; its outlet is a man-made channel flowing into Lake Michigan. Pentwater Lake has a surface area of 431 acres, a maximum depth of 50 feet, and an average depth of 27 feet. The lake contains 11,590 acre-feet—a volume of water that would cover 18 square miles to a depth of one foot. Its shoreline is 6.2 miles long.