Lakes / Missouri / Putnam County
Lakes in Putnam County, Missouri
2 lakes counted in Putnam County - the largest is Lake Thunderhead at 859.93 acres.
2
Lakes Counted
859.93 acres
Largest - Lake Thunderhead
Putnam County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Thunderhead | Putnam | 859.93 acres | - |
| 2 | Unionville Reservoir | Putnam | 73.88 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.