Independent site — not affiliated with or endorsed by the Pennsylvania Fish and Boat Commission (PFBC) or the PA Department of Environmental Protection (DEP). Official sources are linked on every page.
Striped Bass and Hybrid Striped Bass — list of Nov 2024
Latest PFBC survey
April 2026 (this year)
On the 2026 trout schedule
No (as published Oct 4, 2026)
Fish-consumption advisory
No lake-specific row in the 2026 list
Ice-fishing list
On PFBC's ice-fishing destination list (retrieved Oct 4, 2026)
Cowanesque Lake covers 1,090 acres in Tioga County, a U.S. Army Corps of Engineers lake. PFBC biologists last reported on it in April 2026. The 2026 advisory has no lake-specific row for it; the statewide one-meal-a-week advice applies.
What PFBC biologists found
Apr 2026 survey · this year
Walleye
Gear: night electrofishing, boat electrofishing
Electrofishing captured 15 Walleyes ranging from 15 to 24 inches long. (p. 2)
The Walleye catch rate was 21 fish per hour. (p. 2)
The Muskellunge pictured from the survey measured 40.3 inches and weighed 19.2 pounds. (p. 4)
Findings are our short summaries of one survey at one time. Every number was checked against the cited page of PFBC's report. We don't rate lakes.
On PFBC's 2026 trout-stocking schedule
Cowanesque Lake is not on PFBC's 2026 adult trout schedule (as published Oct 4, 2026).
Fish consumption advice (2026 list)
No lake-specific advice for Cowanesque Lake 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.”
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.”
Nearby stream advisory
Nearby stream advisory: Cowanesque River and Reservoir (Cowanesque River mouth to PA/NY border) — Smallmouth Bass: 2 meals/month (2026)
Nearby stream advisory: Cowanesque River and Reservoir (Cowanesque River mouth to PA/NY border) — Black Crappie, Yellow Perch, Largemouth Bass: 1 meal/month (2026)
Check posted rules and current conditions before you go.
On PFBC's ice-fishing destination list (retrieved Oct 4, 2026). Species PFBC lists for ice fishing here: Largemouth Bass, Smallmouth Bass, panfish, Muskellunge, Walleye.
This site has no ice reports; conditions change daily; never assume ice is safe.
Local bait & guides (sponsored)
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The 2026 advisory has no lake-specific row for Cowanesque Lake. 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 Cowanesque Lake?
PFBC's April 2026 survey recorded: Walleye, Muskellunge. Surveys record what biologists caught with their gear on those days, not everything in the lake.