Lake Minnewashta is 680 acres with a maximum depth of 70 feet. Water clarity is good and phosphorus is low. In a 2013 water quality report provided by Minnehaha Creek Watershed District, Lake Minnewashta received a B water quality grade meaning that it has good water quality, but algae may limit swimming in the late part of summer. Lake Minnewashta is part of Minnehaha Creek Watershed district and is in the Lake Virginia Subwatershed.
Lake Minnewashta Regional Park is located along highway 41. The park is 340 acres and includes a swimming beach, fishing access, boat ramp, creative playground, and trails and picnic benches. All vehicles entering the park are required to purchase a daily or annual parking permit and can be purchased at the park entrance, online, or by telephone at (952) 466-5250.