Lakes / Utah / Beaver County / Lower Big Wash Reservoir
Lower Big Wash Reservoir, Utah
27.92 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
38.42 degrees N, 113.06 degrees W - Beaver 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 Lower Big Wash Reservoir Stacks Up
- Larger than 6% of the 298 lakes counted in Utah.
- About 96 miles from St. George, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Minersville Reservoir | Beaver | 19 mi | 1,138.57 acres |
| Robinson-Tanner Reservoir | Beaver | 21 mi | 41.02 acres |
| Kents Lake | Beaver | 35 mi | 42.75 acres |
| Three Creeks Reservoir | Beaver | 36 mi | 53.37 acres |
| Sevier Lake | Millard | 37 mi | 122,527.82 acres |
| Three Creeks Reservoir | Sevier | 37 mi | 117.38 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lower Big Wash Reservoir
How Big Is Lower Big Wash Reservoir?
Lower Big Wash Reservoir covers 27.92 acres in Beaver County, Utah.
What Is the Largest Lake in Beaver County?
Minersville Reservoir is the largest lake in Beaver County, at 1,138.57 acres.
Largest Lakes in Utah
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Great Salt Lake | Box Elder | 925,981.5 acres | - |
| 2 | Lake Powell | Kane | 128,544.01 acres | - |
| 3 | Sevier Lake | Millard | 122,527.82 acres | - |
| 4 | Utah Lake | Utah | 91,155.46 acres | - |
| 5 | Bear Lake | Rich | 70,008.54 acres | - |
All 298 Utah lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 78955113). Verified October 30, 2026.