Lakes / South Dakota / Spink County / Alkali Lake
Alkali Lake, Spink County, South Dakota
104.28 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
45.15 degrees N, 98.68 degrees W - Spink County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How Alkali Lake Stacks Up
- Larger than 44% of the 533 lakes counted in South Dakota.
- About 24 miles from Aberdeen, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| South Scatterwood Lake | Faulk | 5.5 mi | 727.32 acres |
| North Scatterwood Lake | Edmunds | 7.9 mi | 931.83 acres |
| Salt Lake | Brown | 8.9 mi | 78.58 acres |
| Grass Lake | Edmunds | 11 mi | 114.66 acres |
| Tomek Slough | Faulk | 11 mi | 89.7 acres |
| Zell Lake | Faulk | 15 mi | 77.59 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Alkali Lake
How Big Is Alkali Lake?
Alkali Lake covers 104.28 acres in Spink County, South Dakota.
What Is the Largest Lake in Spink County?
Cottonwood Lake is the largest lake in Spink County, at 1,433.21 acres.
Largest Lakes in South Dakota
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Oahe | Dewey | 309,912.57 acres | - |
| 2 | Lake Francis Case | Charles Mix | 82,166.92 acres | - |
| 3 | Lake Sharpe | Hughes | 58,419.67 acres | - |
| 4 | Lewis and Clark Lake | Bon Homme | 25,141.99 acres | - |
| 5 | Lake Thompson | Kingsbury | 13,887.93 acres | - |
All 533 South Dakota lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 144268846). Verified October 30, 2026.