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Lakes / Iowa / Dallas County

Lakes in Dallas County, Iowa

2 lakes counted in Dallas County - the largest is Dale Maffit Reservoir at 187 acres.

2
Lakes Counted
187 acres
Largest - Dale Maffit Reservoir

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

All Counted Lakes

#LakeCountySurface AreaMax Depth
1Dale Maffit ReservoirDallas187 acres-
2Diamondhead LakeDallas96 acres-
Find a Lake in Dallas CountyLargest Lakes
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.