Lakes / Missouri / Jefferson County / Fon-Du-Lac Reservoir
Fon-Du-Lac Reservoir, Missouri
27 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Missouri
38.49 degrees N, 90.47 degrees W - Jefferson County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Fon-Du-Lac Reservoir Stacks Up
- Larger than 7% of the 352 lakes counted in Missouri.
- About 18 miles from St. Louis, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Montowese | Jefferson | 6.0 mi | 37.56 acres |
| Lake Loraine | Jefferson | 12 mi | 41.51 acres |
| Lake Tishomingo | Jefferson | 14 mi | 119.56 acres |
| Creve Coeur Lake | St. Louis | 16 mi | 303.2 acres |
| Centaur Chute | St. Louis | 17 mi | 104.28 acres |
| Lake Serene | Franklin | 18 mi | 52.95 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Fon-Du-Lac Reservoir
How Big Is Fon-Du-Lac Reservoir?
Fon-Du-Lac Reservoir covers 27 acres in Jefferson County, Missouri.
What Is the Largest Lake in Jefferson County?
Lake Tishomingo is the largest lake in Jefferson County, at 119.56 acres.
Largest Lakes in Missouri
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake of the Ozarks | Camden | 51,171.75 acres | - |
| 2 | Harry S Truman Reservoir | Benton | 49,365.93 acres | - |
| 3 | Table Rock Lake | Stone | 41,777.86 acres | - |
| 4 | Stockton Lake | Cedar | 24,962.34 acres | - |
| 5 | Mark Twain Lake | Ralls | 18,362.33 acres | - |
All 352 Missouri lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 49425358). Verified October 30, 2026.