Mercer County lake rules
2 lakes in Mercer County have a lake-specific boating rule from a state source.
| Lake | Motor rule | Max hp | PWCs | Ramps | Status |
|---|---|---|---|---|---|
| Lake Wilhelm | Check official text | 20 hp | PWCs not allowed | 2 | Rule text changed — check the official text |
| Shenango River Lake | 20 hp max in part of the lake | 20 hp | No lake-specific PWC rule found (statewide PWC rules apply) | 0 | Verified Oct. 4, 2026 |