Lakes / Nebraska / Lancaster County / N F Big Nemaha Reservoir 23-B
N F Big Nemaha Reservoir 23-B, Nebraska
31 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Nebraska
40.58 degrees N, 96.53 degrees W - Lancaster 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 N F Big Nemaha Reservoir 23-B Stacks Up
- Larger than 13% of the 660 lakes counted in Nebraska.
- About 19 miles from Lincoln, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Upper Big Nemaha Reservoir 21-B | Lancaster | 3.1 mi | 48 acres |
| Wagon Train Lake | Lancaster | 4.9 mi | 299 acres |
| Stagecoach Lake | Lancaster | 6.2 mi | 172 acres |
| Upper Big Nemaha Reservoir 25-C | Gage | 9.1 mi | 86 acres |
| Upper Big Nemaha Reservoir 15-D | Lancaster | 11 mi | 27 acres |
| Salt Creek Reservoir 17-A | Lancaster | 13 mi | 25 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About N F Big Nemaha Reservoir 23-B
How Big Is N F Big Nemaha Reservoir 23-B?
N F Big Nemaha Reservoir 23-B covers 31 acres in Lancaster County, Nebraska.
What Is the Largest Lake in Lancaster County?
Branched Oak Lake is the largest lake in Lancaster County, at 1,757 acres.
Largest Lakes in Nebraska
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake McConaughy | Keith | 24,885 acres | - |
| 2 | Harlan County Lake | Harlan | 12,822 acres | - |
| 3 | Calamus Reservoir | Loup | 5,032 acres | - |
| 4 | Swanson Lake | Hitchcock | 4,661 acres | - |
| 5 | Sutherland Reservoir | Lincoln | 2,956 acres | - |
All 660 Nebraska lakes ranked by surface area
Sources: USGS NHD (The National Map NHD MapServer layer 12) named waterbodies FTYPE 390/436; counties via Census point-in-polygon lake data (ID 148866731). Verified October 30, 2026.