Minnesota DNR fisheries surveys · latest June 17, 2024
Species recorded at Flash Lake
5 species on the Minnesota DNR list for this lake. A species on the list has been recorded here; it does not mean it is catchable today or in every part of the lake.
Stocking at Flash Lake
No stocking record for Flash Lake appears in the Minnesota DNR material on file. That is an absence in the published record, not a confirmation that the lake is unstocked — some waters are managed as naturally reproducing and never appear in a stocking list at all.
Survey results in full
Minnesota DNR's Standard Survey on June 17, 2024 caught 11.00 walleye per gill net at Flash Lake. Length samples in the latest survey that recorded them ran 7–20 inches.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Flash Lake’s water-quality measurements separately, and the water-quality trend over 5 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
7 surveys on file from MN DNR Fisheries. Most recent: 2024-06-17 (Standard Survey).
7 surveys on file · most recent 2024-06-17 (Standard Survey)
| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Walleye | 19.41 | 7–20 in 2024-06-17 | 1.42 lb |
| Yellow Perch | 17.73 | 5–8 in 2024-06-17 | 0.11 lb |
| Northern Pike | 7.11 | 18–25 in 2024-06-17 | 2.3 lb |
| White Sucker | 0.67 | 19 in 2024-06-17 | 2.81 lb |
| Green Sunfish | 0.33 | 4 in 2024-06-17 | 0.06 lb |
CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Walleye
Yellow Perch
Northern Pike
White Sucker
From the 2024-06-17 survey
Flash is an 83-acre lake located 18 miles northeast of Ely in the Superior National Forest. It is comparable to Erickson, Hatchet, and Oriniak lakes in the Tower area. The lake is clear, moderately productive, and has a maximum depth of 24 feet. The surrounding forest is regenerating from a severe windstorm and…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Flash Lake. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — FlashFisheries Lake Survey · MN DNR LakeFinder
Common questions
What fish are in Flash Lake?
Minnesota DNR's Standard Survey on June 17, 2024 caught 11.00 walleye per gill net at Flash Lake. Length samples in the latest survey that recorded them ran 7–20 inches. Minnesota DNR lists 5 species for the lake in total. Those are survey results, not a catch report: a net set on one date measures what was in that net.
When was Flash Lake last surveyed?
The most recent fisheries survey on file for Flash Lake is dated June 17, 2024. Survey intervals vary by lake and by species; a gap of several years between surveys is normal and does not mean the record is missing.
Is Flash Lake stocked?
No stocking record for Flash Lake appears in the Minnesota DNR material on file. That is not the same as a confirmed unstocked lake: it means no stocking document was published for it in the records this page draws on.
Do the water-quality readings tell me how Flash Lake fishes?
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Flash Lake’s water-quality measurements separately, and the water-quality trend over 5 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Before you eat what you catch
Water-quality readings are not a consumption advisory. Mercury and PCB advice for Minnesota waters comes from MDH, and it is issued per species and per size class: a lake with clear, low-nutrient water can still carry a meal limit on larger predator fish.
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