Lakes / Iowa / Delaware County
Lakes in Delaware County, Iowa
3 lakes counted in Delaware County - the largest is Hartwick Lake at 506 acres.
3
Lakes Counted
506 acres
Largest - Hartwick Lake
Delaware County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Hartwick Lake | Delaware | 506 acres | - |
| 2 | Quaker Mill Pond | Delaware | 105 acres | - |
| 3 | Backbone Lake | Delaware | 101 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.