Lakes / Missouri / Sullivan County / New Milan Reservoir
New Milan Reservoir, Missouri
198.59 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Missouri
40.23 degrees N, 93.12 degrees W - Sullivan 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 New Milan Reservoir Stacks Up
- Larger than 82% of the 352 lakes counted in Missouri.
- The largest lake in Sullivan County among those counted.
- About 98 miles from Columbia, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Number 41 Lake | Sullivan | 2.8 mi | 44.89 acres |
| Shatto Lake | Sullivan | 3.3 mi | 31.63 acres |
| Unionville Reservoir | Putnam | 19 mi | 73.88 acres |
| Lake Thunderhead | Putnam | 21 mi | 859.93 acres |
| Scobee Lake | Adair | 22 mi | 80.31 acres |
| Lake Elsea | Adair | 23 mi | 33.85 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About New Milan Reservoir
How Big Is New Milan Reservoir?
New Milan Reservoir covers 198.59 acres in Sullivan County, Missouri.
What Is the Largest Lake in Sullivan County?
New Milan Reservoir is the largest lake in Sullivan County, at 198.59 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 75793770). Verified October 30, 2026.