Lakes / Missouri / Harrison County
Lakes in Harrison County, Missouri
3 lakes counted in Harrison County - the largest is New City Lake at 76.03 acres.
3
Lakes Counted
76.03 acres
Largest - New City Lake
Harrison County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | New City Lake | Harrison | 76.03 acres | - |
| 2 | Rock House Lake | Harrison | 59.27 acres | - |
| 3 | East Fork Big Creek Watershed Lake A-4 | Harrison | 31.1 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.