Lakes / South Dakota / Hanson County / Welker Lake
Welker Lake, South Dakota
57.58 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
43.66 degrees N, 97.68 degrees W - Hanson 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 Welker Lake Stacks Up
- Larger than 20% of the 533 lakes counted in South Dakota.
- About 48 miles from Sioux Falls, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Eli | Hanson | 6.2 mi | 102.05 acres |
| Hanson Lake | Hanson | 6.5 mi | 59.55 acres |
| Gross Lake | McCook | 8.7 mi | 79.57 acres |
| Lions Lake | McCook | 9.1 mi | 37.56 acres |
| Fulton Lake | Hanson | 9.2 mi | 28.66 acres |
| Schimmel Slough | McCook | 9.8 mi | 94.39 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Welker Lake
How Big Is Welker Lake?
Welker Lake covers 57.58 acres in Hanson County, South Dakota.
What Is the Largest Lake in Hanson County?
Lake Eli is the largest lake in Hanson County, at 102.05 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 125114087). Verified October 30, 2026.