Lakes / Pennsylvania / Berks County
Lakes in Berks County, Pennsylvania
10 lakes counted in Berks County - the largest is Blue Marsh Reservoir at 1,150 acres.
10
Lakes Counted
1,150 acres
Largest - Blue Marsh Reservoir
52 ft
Deepest - Blue Marsh Reservoir
Berks County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Blue Marsh Reservoir | Berks | 1,150 acres | 52 ft |
| 2 | Ontelaunee Lake | Berks | 1,082 acres | None |
| 3 | Glen Morgan Lake | Berks | 124.9 acres | None |
| 4 | Hopewell Lake | Berks | 68 acres | About 18 ft |
| 5 | Trout Run Reservoir | Berks | 42 acres | None |
| 6 | Kaercher Creek Dam | Berks | 32 acres | None |
| 7 | New Kernsville Lake | Berks | 30.1 acres | None |
| 8 | Scotts Run Lake | Berks | 22 acres | About 20 ft |
| 9 | Antietam Reservoir | Berks | 14 acres | None |
| 10 | Carsonia Lake | Berks | 7 acres | None |
Sources: Pennsylvania Fish and Boat Commission lake data; USGS. Verified October 28, 2026.