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Lakes / Iowa / Decatur County

Lakes in Decatur County, Iowa

3 lakes counted in Decatur County - the largest is Lake LaShane at 99 acres.

3
Lakes Counted
99 acres
Largest - Lake LaShane

Decatur County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Lake LaShaneDecatur99 acres-
2Nine Eagles LakeDecatur60 acres-
3Home LakeDecatur27 acres-
Find a Lake in Decatur CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.