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On PFBC's ice-fishing destination list (retrieved Oct 4, 2026)
PFBC trout program
Stocked Trout Water, open to year-round fishing — PFBC GIS data. PFBC data, Aug 2026
Keystone Lake (State Park) covers 78 acres in Westmoreland County, in a state park. PFBC biologists last reported on it in April 2017. It has 4 dates on PFBC's 2026 adult trout schedule, as published Oct 4, 2026. The 2026 advisory has no lake-specific row for it; the statewide one-meal-a-week advice applies.
Open to year-round fishing; no trout may be kept from February 16 until the opener (2026 Fishing Summary, p. 23).
Fish consumption advice (2026 list)
No lake-specific advice for Keystone Lake (State Park) in the 2026 list.
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.”
Largemouth, Smallmouth and Spotted Bass: 15-inch minimum and 4 a day (combined) from Jan. 1 through April 10 and from June 13 through Dec. 31; catch and immediate release only from April 11 through June 12, with no tournaments. Other species follow inland rules.
PFBC lists Keystone Lake (State Park) on its adult trout schedule for 2026: 4 dates, as published Oct 4, 2026. Dates can change; check PFBC's schedule.
When is Keystone Lake (State Park) on PFBC's trout-stocking schedule in 2026?
As published Oct 4, 2026: Feb 23, 2026; Apr 16, 2026; Apr 27, 2026; Oct 16, 2026. PFBC: “All stocking events are subject to change without notice.”
Can you eat fish from Keystone Lake (State Park)?
The 2026 advisory has no lake-specific row for Keystone Lake (State Park). The statewide advice — no more than one meal (1/2 pound) a week of sport fish — still applies. Not medical advice.
What fish are in Keystone Lake (State Park)?
PFBC's April 2017 survey recorded: White Crappie, Black Crappie, Bluegill, Pumpkinseed, Green Sunfish, Yellow Perch, Brown Bullhead, Yellow Bullhead, Largemouth Bass, Brook Trout, Brown Trout, Rainbow Trout, Golden Rainbow Trout, Gizzard Shad, Golden Shiner, White Sucker, Common Carp, Tiger Muskellunge. Surveys record what biologists caught with their gear on those days, not everything in the lake.
Is Keystone Lake (State Park) a Big Bass lake?
Yes. PFBC's special-regulation data and the 2026 Fishing Summary (p. 11) list it in the Big Bass Program: Largemouth, Smallmouth and Spotted Bass: 15-inch minimum and 4 a day (combined) from Jan. 1 through April 10 and from June 13 through Dec. 31; catch and immediate release only from April 11 through June 12, with no tournaments. Other species follow inland rules.