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.
On PFBC's ice-fishing destination list (retrieved Oct 4, 2026)
PFBC trout program
Stocked Trout Water — PFBC GIS data. PFBC data, Aug 2026
Duman Dam covers 21 acres in Cambria County, on PFBC-owned land. PFBC biologists last reported on it in May 2022. 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.
What PFBC biologists found
May 2022 survey · 4 years ago
PFBC biologist report
Gear: trap nets, night electrofishing
Night electrofishing captured 44 Largemouth Bass from 4 to 18 inches long. (p. 1)
The total Largemouth Bass catch rate was 64 fish per hour. (p. 1)
Trap nets captured 44 Black Crappie, with 50% at least 9 inches long. (p. 2)
Trap nets captured 31 Yellow Perch, with 90% at least 9 inches long. (p. 2)
Bluegill were the most common trap-net catch, with 195 captured. (p. 2)
PFBC's plan, in our words: PFBC encourages anglers to harvest legal Chain Pickerel because they are non-native to the Ohio River basin. (p. 4)
Lakes in PFBC's Stocked Trout Waters program that are not open year-round close to all fishing from February 16 until the trout opener (2026 Fishing Summary, p. 23).
Fish consumption advice (2026 list)
No lake-specific advice for Duman Dam 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.
Big Bass lakes that are stocked trout waters close to all fishing from February 16 until the trout opener, unless they are open to year-round fishing.
Summarized. The current Pennsylvania Fishing Summary, 58 Pa. Code and posted signs govern.
Habitat plan and ice-fishing list
On PFBC's ice-fishing destination list (retrieved Oct 4, 2026). Species PFBC lists for ice fishing here: Largemouth Bass, Trout (stocked), panfish, Chain Pickerel.
This site has no ice reports; conditions change daily; never assume ice is safe.
Local bait & guides (sponsored)
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PFBC lists Duman Dam on its adult trout schedule for 2026: 4 dates, as published Oct 4, 2026. Dates can change; check PFBC's schedule.
When is Duman Dam on PFBC's trout-stocking schedule in 2026?
As published Oct 4, 2026: Mar 18, 2026; Apr 17, 2026; May 6, 2026; Oct 6, 2026. PFBC: “All stocking events are subject to change without notice.”
Can you eat fish from Duman Dam?
The 2026 advisory has no lake-specific row for Duman Dam. 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 Duman Dam?
PFBC's May 2022 survey recorded: Largemouth Bass, Black Crappie, Bluegill, Pumpkinseed, Yellow Perch, Brown Bullhead, Yellow Bullhead, Chain Pickerel, Rainbow Trout, Golden Shiner. Surveys record what biologists caught with their gear on those days, not everything in the lake.
Is Duman Dam 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.