Deepest lakes & reservoirs in Wisconsin 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 128 articles we have published for Wisconsin lakes.
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Below are lakes within USA > US Midwest Region > Wisconsin > Compared by maximum depth in feet. This list does not represent all lakes in Wisconsin, only the 128 Wisconsin lake articles we have published on the LakeLubbers website.
Lake name  |
Max depth in feet |
Lake description |
|---|---|---|
| Lake Superior (Canada, Great Lakes of North America, Lake Superior Northwoods Region, WI, Michigan, Minnesota, Northeast Minnesota, Ontario, Canada, US Midwest Region, USA, Upper Peninsula Region, MI, Wisconsin) |
1,332 ft | Skipping over state and country borders, Lake Superior, the largest, deepest, coldest, cleanest, least developed, and most pristine of the Great Lakes… |
| Lake Michigan-Huron (Canada, Chicagoland Region, IL, Great Lakes of North America, Illinois, Indiana, Lake Michigan Region, WI, Michigan, North Indiana, Northeast Michigan, Northwest Michigan, Ontario, Canada, Southwest Michigan, US Midwest Region, USA, Upper Peninsula Region, MI, West Central Michigan, Wisconsin) |
923 ft | Lake Michigan and Lake Huron – two of North America’s Great Lakes – are contiguous and they share the same elevation of 577 feet above sea level. They… |
| Lake Michigan (Chicagoland Region, IL, Great Lakes of North America, Illinois, Indiana, Lake Michigan Region, WI, Michigan, North Indiana, Northwest Michigan, Southwest Michigan, US Midwest Region, USA, Upper Peninsula Region, MI, West Central Michigan, Wisconsin) |
923 ft | As the only Great Lake nestled completely within the boundaries of the United States, Lake Michigan is the pride and joy of Wisconsin, Illinois, India… |
| Wazee Lake, WI (Mississippi-Chippewa Rivers Region, WI, US Midwest Region, USA, Wisconsin) |
350 ft | Wazee Lake is a 146-acre lake east of Black River Falls, Jackson County, in the Mississippi-Chippewa Rivers Region of Wisconsin. The lake is the deepe… |
| Green Lake, WI (Central Sands Prairie Region, WI, US Midwest Region, USA, Wisconsin) |
239 ft | Also known as Big Green Lake Green Lake, also known as Big Green Lake, is exceptional, and it has the statistics to prove it. It’s Wisconsin’s deepest natural inland lake: only La… |
| Lake Geneva, WI (Southern Savanna Region, WI, US Midwest Region, USA, Wisconsin) |
144 ft | Also known as Geneva Lake A laid-back atmosphere mixed with amazing activities make astoundingly beautiful Lake Geneva one of the most perfect relaxation and recreation destina… |
| Elkhart Lake, WI (Lake Michigan Region, WI, US Midwest Region, USA, Wisconsin) |
119 ft | Elkhart Lake is one of the heartland’s oldest resort lakes. Ideally situated just one hour from Milwaukee and two and a half hours from Chicago, the l… |
| Trout Lake WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
117 ft | Also known as North Trout Lake, South Trout Lake Hiding in plain sight behind a relatively common name, Trout Lake in Wisconsin’s Vilas County offers nearly 4,000 acres of clear, cool water. Even in… |
| Whitefish Lake WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
105 ft | Surrounded by beautiful scenery, Whitefish Lake is a remote and picturesque area in Wisconsin’s Sawyer County. Its quiet surroundings are home to towe… |
| Lake Owen, WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
95 ft | Nestled in the heart of Chequamegon-Nicolet National Forest near Drummond, Wisconsin, 1,323-acre Lake Owen stretches for nine miles through scenic rol… |
| Okauchee Lake (Southern Savanna Region, WI, US Midwest Region, USA, Wisconsin) |
94 ft | Okauchee Lake is a 1,187-acre lake located in northern Waukesha County, Wisconsin. One of the larger “Lake Country” lakes, Okauchee Lake’s meandering… |
| Jordan Lake WI (Central Sands Prairie Region, WI, US Midwest Region, USA, Wisconsin) |
92 ft | Also known as Lake Jordan. Long Lake (historical) Jordan Lake is a 213-acre residential lake in Wisconsin’s Central Sands Prairie Region, just 15 miles from the famous Wisconsin Dells. Once called Lon… |