Lakes / South Dakota / Beadle County / Piper Lake
Piper Lake, South Dakota
81.79 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - South Dakota
44.60 degrees N, 98.15 degrees W - Beadle 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 Piper Lake Stacks Up
- Larger than 33% of the 533 lakes counted in South Dakota.
- About 54 miles from Watertown, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Connors Lake | Beadle | 2.4 mi | 91.43 acres |
| Lake Byron | Beadle | 2.6 mi | 1,798.43 acres |
| Lake Dudley | Spink | 8.6 mi | 25.95 acres |
| Staum Dam | Beadle | 13 mi | 39.78 acres |
| Lake Cavour | Beadle | 14 mi | 233.27 acres |
| Fordham Dam | Clark | 16 mi | 82.78 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Piper Lake
How Big Is Piper Lake?
Piper Lake covers 81.79 acres in Beadle County, South Dakota.
What Is the Largest Lake in Beadle County?
Lake Byron is the largest lake in Beadle County, at 1,798.43 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 145670436). Verified October 30, 2026.