Lakes in Allen County, Ohio
8 lakes counted in Allen County - the largest is Bresler Reservoir at 583 acres.
8
Lakes Counted
583 acres
Largest - Bresler Reservoir
54 ft
Deepest - Williams Reservoir
Allen County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Bresler Reservoir | Allen | 583 acres | 40 ft |
| 2 | Williams Reservoir | Allen | 426 acres | 54 ft |
| 3 | Ferguson Reservoirs | Allen | 308 acres | 33 ft |
| 4 | Ferguson Reservoir | Allen | 307 acres | None |
| 5 | Metzger Reservoir | Allen | 157 acres | 33 ft |
| 6 | Lost Creek Reservoir | Allen | 129 acres | 24 ft |
| 7 | Lima Lake | Allen | 88 acres | 15 ft |
| 8 | Lima Lake Reservoir | Allen | 87 acres | None |
Sources: Ohio DNR lake data; USGS. Verified October 28, 2026.