Lakes / Wyoming / Natrona County / Wagner Reservoir
Wagner Reservoir, Natrona County, Wyoming
34.34 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Wyoming
42.78 degrees N, 106.14 degrees W - Natrona County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Wyoming Game and Fish Department coordinates, not by eye. Schematic - not a survey map.
How Wagner Reservoir Stacks Up
- Larger than 33% of the 783 lakes counted in Wyoming.
- About 11 miles from Casper, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Soda Lake | Natrona | 12 mi | 28 acres |
| Pratts Soda Lakes | Natrona | 13 mi | 48.62 acres |
| Number 1 Reservoir | Converse | 16 mi | 25.01 acres |
| Schnoor Reservoir | Natrona | 19 mi | 84.56 acres |
| Bates Creek Reservoir | Natrona | 21 mi | 747.26 acres |
| Little Boxelder Number One Reservoir | Converse | 23 mi | 53.54 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Wagner Reservoir
How Big Is Wagner Reservoir?
Wagner Reservoir covers 34.34 acres in Natrona County, Wyoming.
What Is the Largest Lake in Natrona County?
Alcova Reservoir is the largest lake in Natrona County, at 2,340 acres.
Deepest Natural Lakes in Wyoming
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Deep Lake | Park | 285 acres | 472 ft |
| 2 | Lake Reno | Park | 107 acres | 222 ft |
| 3 | Snowdrift Lake | Teton | 57 acres | 174 ft |
| 4 | Crater Lake | Big Horn | 39 acres | 166 ft |
| 5 | Beauty Lake | Park | 94 acres | 165 ft |
All 120 Wyoming lakes ranked by depth
Largest Lakes in Wyoming
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Yellowstone Lake | Teton | 84,442 acres | - |
| 2 | Flaming Gorge Reservoir | Sweetwater | 38,888.36 acres | 440 ft |
| 3 | Jackson Lake | Teton | 26,853.22 acres | - |
| 4 | Pathfinder Reservoir | Carbon | 22,000 acres | 192 ft |
| 5 | Seminoe Reservoir | Carbon | 20,000 acres | 200 ft |
All 783 Wyoming lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 153794597). Verified October 30, 2026.