Lakes / Utah / Emery County / Millsite Reservoir
Millsite Reservoir, Utah
419.56 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Utah
39.10 degrees N, 111.20 degrees W - Emery 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 Millsite Reservoir Stacks Up
- Larger than 82% of the 298 lakes counted in Utah.
- About 82 miles from Provo, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Zwahlen Wash Debris Basin Reservoir | Emery | 2.9 mi | 43.49 acres |
| Spinners Reservoir | Sanpete | 13 mi | 41.02 acres |
| Ferron Reservoir | Sanpete | 14 mi | 76.36 acres |
| Joes Valley Reservoir | Emery | 14 mi | 1,193.02 acres |
| Julius Flat Reservoir | Sanpete | 14 mi | 39.78 acres |
| Duck Fork Reservoir | Sanpete | 14 mi | 51.15 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Millsite Reservoir
How Big Is Millsite Reservoir?
Millsite Reservoir covers 419.56 acres in Emery County, Utah.
What Is the Largest Lake in Emery County?
Joes Valley Reservoir is the largest lake in Emery County, at 1,193.02 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 78839059). Verified October 30, 2026.