Lakes / Virginia / Loudoun County
Lakes in Loudoun County, Virginia
4 lakes counted in Loudoun County - the largest is Beaverdam Reservoir at 301.22 acres.
4
Lakes Counted
301.22 acres
Largest - Beaverdam Reservoir
Loudoun County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Beaverdam Reservoir | Loudoun | 301.22 acres | - |
| 2 | Sleeter Lake | Loudoun | 100.57 acres | - |
| 3 | Oliver Lake | Loudoun | 32.12 acres | - |
| 4 | Dulles Airport Pond | Loudoun | 26.19 acres | - |
Sources: USGS National Hydrography Dataset lake data; USGS. Verified October 30, 2026.