Lakes / Colorado / Adams County
Lakes in Adams County, Colorado
12 lakes counted in Adams County - the largest is Barr Lake at 1,724 acres.
12
Lakes Counted
1,724 acres
Largest - Barr Lake
Adams County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Barr Lake | Adams | 1,724 acres | - |
| 2 | Horse Creek Reservoir | Adams | 710 acres | - |
| 3 | Boot Lake Reservoir | Adams | 155 acres | - |
| 4 | Derby Lake | Adams | 77 acres | - |
| 5 | Mayham Lake | Adams | 75 acres | - |
| 6 | Eastlake Reservoir Number Three | Adams | 74 acres | - |
| 7 | Landora Lake | Adams | 50 acres | - |
| 8 | Reservoir C | Adams | 37 acres | - |
| 9 | Ohio Lake Reservoir | Adams | 30 acres | - |
| 10 | Lake Sangraco | Adams | 28 acres | - |
| 11 | Reservoir F | Adams | 28 acres | - |
| 12 | Smith Reservoir | Adams | 26 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.