Weblakefinder contains data for more than 4,500 lakes and rivers throughout minnesota, including lake surveys, lake depth maps, lake water quality data, lake water clarity data,. Webmay 4, 2018 · lakefinder contains data for more than 4,500 lakes and rivers throughout minnesota, including lake surveys, lake depth maps, lake water quality data, lake water. Click on a lake name to open a detail page or hover over a lake name to view a quick list of available information. Webfind a lake near you. With 10,000 lakes to choose from, the dnr's lake finder mobile site is an easy way to find lakes near you and around the state.