Lakes / Pennsylvania / Tubmill Reservoir
Tubmill Reservoir, Pennsylvania
39.3 acres
Surface Area
1,325 ft
Surface Elevation
Where It Sits, and How Deep It Goes
Locator - Pennsylvania
40.33 degrees N, 79.09 degrees W - Westmoreland County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Pennsylvania Fish and Boat Commission coordinates, not by eye. Schematic - not a survey map.
Facts and Figures
Waterbody ID123713962
CountyWestmoreland
Coordinates40.3284, -79.0879
Deepest Natural Lakes in Pennsylvania
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Struble Lake | Chester | 146 acres | 19 ft |
Largest Lakes in Pennsylvania
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Pymatuning Reservoir | Crawford | 13,920 acres | About 25 ft |
| 2 | Allegheny Reservoir | Warren | 12,081 acres | 128 ft |
| 3 | Raystown Lake | Huntingdon | 8,297 acres | None |
| 4 | Lake Wallenpaupack | Pike, Wayne | 5,698 acres | 60 ft |
| 5 | Shenango River Lake | Mercer | 3,559 acres | 30 ft |
Sources: USGS National Hydrography Dataset lake data (ID 123713962). Verified October 28, 2026.