Mercer County lakes
Northwest region
7 lakes and ponds in Mercer County appear in PFBC or DEP data. 3 have their own page.
Lakes
| Lake | Acres | Survey | 2026 schedule | Advisory | Program |
|---|---|---|---|---|---|
| Barmore Lake | 21 | — | — | — | — |
| Brandy Springs Park Pond | 1.2 | — | — | — | — |
| Buhl Lake | 6.2 | — | 2 dates | — | — |
| Lake Latonka | 260 | — | — | — | — |
| Lake Wilhelm | 1,739 | 2024 | — | — | Brood Stock Lakes Program |
| Sandy Lake | 150 | — | — | — | — |
| Shenango River Lake | 3,559 | 2023 | — | — | Big Bass Program, Panfish Enhancement Special Regulations |
On PFBC's 2026 trout schedule
2026 schedule · as published OCT 4
As published Oct 4, 2026 · subject to change. PFBC schedule
Earlier dates (2, was scheduled)
- Was scheduled for Mar 23, 2026 · Buhl Lake
- Was scheduled for Apr 7, 2026 · Buhl Lake
County lake calendar Add these dates to your calendar
Fish consumption advice (2026 list)
No lake-specific rows for Mercer County lakes in the 2026 list.
Nearby stream advisory
- Nearby stream advisory: Shenango River (Shenango Reservoir Dam to mouth) — All species: Do Not Eat (2026)
Statewide advice: “Pennsylvania has issued a general, statewide health advisory for recreationally caught sport fish: eat no more than one meal (1/2 pound) per week of sport fish caught in the state’s waterways.”
“People who regularly eat sport fish, women of childbearing age and children are particularly susceptible to contaminants that build up over time.”
“Fish stocked from PFBC state fish hatcheries are subject to the blanket one-meal-per-week consumption advisory that applies to recreationally caught sport fish in Pennsylvania.”
DEP: “The advisory listing was current at the time this summary went to press. Fish consumption advisories may have been issued or lifted since that time.”
Special-regulation programs
Ice-fishing lakes
- Lake Wilhelm
- Sandy Lake
- Shenango River Lake
This site has no ice reports; conditions change daily; never assume ice is safe.
Neighboring counties: Butler, Crawford, Lawrence, Venango
Sources: PFBC Lakes_Point (Oct 4, 2026); PFBC adult trout schedule (as published Oct 4, 2026); DEP/PFBC advisory (2026 list); PFBC special-regulation data (Mar 2026). Last data import Oct 5, 2026.