Lakes / Pennsylvania / Butler County
Lakes in Butler County, Pennsylvania
5 lakes counted in Butler County - the largest is Lake Arthur (Moraine State Park) at 3,224 acres.
5
Lakes Counted
3,224 acres
Largest - Lake Arthur (Moraine State Park)
Butler County, highlighted, with its largest counted lakes dotted. Outlines from Census boundary data.
All Counted Lakes
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Arthur (Moraine State Park) | Butler | 3,224 acres | About 30 ft |
| 2 | Glade Dam Lake | Butler | 200 acres | None |
| 3 | Lake Oneida | Butler | 94 acres | None |
| 4 | Glade Run Lake | Butler | 52 acres | None |
| 5 | Harbar Acres Lake | Butler | 20 acres | None |
Sources: Pennsylvania Fish and Boat Commission lake data; USGS. Verified October 28, 2026.