Lakes / South Dakota / Clark County
Lakes in Clark County, South Dakota
22 lakes counted in Clark County - the largest is Dry Lake Number Two at 6,441.66 acres.
22
Lakes Counted
6,441.66 acres
Largest - Dry Lake Number Two
Clark County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Dry Lake Number Two | Clark | 6,441.66 acres | - |
| 2 | Dry Lake Number One | Clark | 2,460.51 acres | - |
| 3 | Reid Lake | Clark | 1,045.61 acres | - |
| 4 | Swan Lake | Clark | 936.31 acres | - |
| 5 | Cottonwood Lake | Clark | 462.39 acres | - |
| 6 | Heggs Lake | Clark | 392.43 acres | - |
| 7 | Willow Lake | Clark | 344.46 acres | - |
| 8 | Cherry Lake | Clark | 336.67 acres | - |
| 9 | Antelope Lake | Clark | 270.83 acres | - |
| 10 | Lake Todd | Clark | 203.13 acres | - |
| 11 | Baileys Lake | Clark | 161.85 acres | - |
| 12 | Carson Lake | Clark | 142.14 acres | - |
| 13 | Mankey Slough | Clark | 119.35 acres | - |
| 14 | Pepper Slough | Clark | 111.44 acres | - |
| 15 | Mud Lake | Clark | 100.82 acres | - |
| 16 | Round Lake | Clark | 97.85 acres | - |
| 17 | Fordham Dam | Clark | 82.78 acres | - |
| 18 | Mud Lake | Clark | 77.34 acres | - |
| 19 | Lone Tree Lake | Clark | 67.46 acres | - |
| 20 | Madian Lake | Clark | 62.27 acres | - |
| 21 | Twin Sloughs | Clark | 57.08 acres | - |
| 22 | Logan Dam | Clark | 38.8 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.