Deepest lakes & reservoirs in Southern Minnesota by maximum depth (ft)
The estimated greatest depth of the water in a lake can be measured at the lake’s normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake’s average depth can be calculated:Water volume ÷ Surface Area = Average Depth
Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth.
You can find many of the the world’s deepest lakes on LakeLubbers. If you sort the list, you will find the (maximum depth of) the shallowest lakes in our database. Note: For some lakes, lake depth data is unknown, so this table may display fewer lakes than the total 9 articles we have published for Southern Minnesota lakes.
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Below are lakes within USA > US Midwest Region > Minnesota > Southern Minnesota > Compared by maximum depth in feet. This list does not represent all lakes in Southern Minnesota, only the 9 Southern Minnesota lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Lake Pepin, MN/WI (Minnesota, Mississippi-Chippewa Rivers Region, WI, Southern Minnesota, US Midwest Region, USA, Wisconsin) |
60 ft | Lake Pepin is the largest lake on the Mississippi River, formed about 9,500 years ago by the backup of water behind sediments where the Chippewa River… |
| Madison Lake, MN (Minnesota, Southern Minnesota, US Midwest Region, USA) |
59 ft | Madison Lake is a natural, freshwater lake situated in Minnesota’s Blue Earth County. It is a rather large lake, with a surface area of 1,113 acres an… |
| Lake Washington, MN (Minnesota, Southern Minnesota, US Midwest Region, USA) |
51 ft | Lake Washington is a uniquely-shaped body of water situated just northeast of the Mankato Regional Airport, in Minnesota’s Southern tourism region. Wh… |
| Lake Onalaska, MN/WI (Minnesota, Mississippi-Chippewa Rivers Region, WI, Southern Minnesota, US Midwest Region, USA, Wisconsin) |
43 ft | Lake Onalaska is a popular year-round recreation destination on the upper Mississippi River, located between La Crosse, Wisconsin and La Crescent, Min… |
| Fountain Lake (Minnesota, Southern Minnesota, US Midwest Region, USA) |
14 ft | Fountain Lake is a sparkling 521-acre southern Minnesota lake, featuring three prominently-placed water fountains. Its shores surround the city of Alb… |
| Lac qui Parle, MN (Minnesota, Southern Minnesota, US Midwest Region, USA) |
14 ft | Thousands of feathered creatures gather here, nesting, breeding and chattering about things only birds would know about. For the myriad sounds the bir… |
| Lake Shetek, MN (Minnesota, Southern Minnesota, US Midwest Region, USA) |
10 ft | Located near the southwestern corner of the state, Lake Shetek is one of the best known of Minnesota Southern Region Lakes. Shetek means pelican in th… |
| Okamanpeedan Lake, IA/MN (Iowa, Minnesota, Northwest Iowa, Southern Minnesota, US Midwest Region, USA) |
7 ft | Also known as Tuttle Lake Located in Martin County, Minnesota and Emmet County, Iowa, Okamanpeedan Lake is also known as Tuttle Lake. Okamanpeedan is Native American for “nesti… |
| Albert Lea Lake (Minnesota, Southern Minnesota, US Midwest Region, USA) |
6 ft | Hikers wake up to the sun filtering through the trees and the chirping of indigo buntings and eastern bluebirds at Albert Lea Lake in southern Minneso… |