Minnesota DNR fisheries surveys · latest August 5, 1985
Chub Lake FishingNRNot rated for water quality
Minnesota DNR surveys at Chub Lake average 91.00 green sunfish per unit of sampling effort (CPUE) across 1 survey. The most recent is a Standard Survey dated August 5, 1985. In Dakota County, Minnesota, Chub Lake has no letter grade — the only measurement available is water clarity, which is not a water-quality indicator on its own — EPA's National Lakes Assessment does not grade clarity. Water clarity averages 0.5 feet of visibility. The survey figures on this page are Minnesota DNR's own; the water-quality grade comes from EPA Water Quality Portal samples. Neither is a forecast of today's bite.
Stocking at Chub Lake
No stocking record for Chub 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 surveys at Chub Lake average 91.00 green sunfish per unit of sampling effort (CPUE) across 1 survey. The most recent is a Standard Survey dated August 5, 1985.
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality does not assign an A–F grade on Chub Lake — official chemistry is on file, not a letter, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
1 survey on file from MN DNR Fisheries. Most recent: 1985-08-05 (Standard Survey).
Top Species by Catch Rate
| Species | Avg catch rate (CPUE) | Avg Weight |
|---|---|---|
| Green Sunfish | 91.00 | 0.1 lb |
| Black Bullhead | 83.60 | 0.17 lb |
| Common Carp | 0.60 | 3.4 lb |
CPUE = catch per unit effort, averaged across surveys (excludes juvenile shoreline seining). Higher CPUE means more abundant in standardized sampling. This is not a weekly bite report.
From the 1985-08-05 survey
CARP WERE FOUND AT BELOW LOCAL MEDIAN NUMBERS. BLACK BULLHEAD AND GREEN SUNFISH WERE SAMPLED AT LEVELS MUCH ABOVE THE LOCAL MEDIANS. NO GAMEFISH WERE SAMPLED. SOUTHERN REDBELLY DACE, MIMIC SHINER FATHEAD MINNOW AND CENTRAL MUDMINNOW WERE SAMPLED BY SHORELINE SEINE.
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Chub Lake. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — ChubFisheries Lake Survey · MN DNR LakeFinder
Common questions
What fish are in Chub Lake?
Minnesota DNR surveys at Chub Lake average 91.00 green sunfish per unit of sampling effort (CPUE) across 1 survey. The most recent is a Standard Survey dated August 5, 1985. Those are survey results, not a catch report: a net set on one date measures what was in that net.
When was Chub Lake last surveyed?
The most recent fisheries survey on file for Chub Lake is dated August 5, 1985. 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 Chub Lake stocked?
No stocking record for Chub 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.
Does the water-quality grade tell me how Chub Lake fishes?
A DNR fisheries survey reports fish abundance and catch rates, not a water-quality grade. LakeQuality does not assign an A–F grade on Chub Lake — official chemistry is on file, not a letter, and the water-quality trend over 2 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
A water-quality grade is 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 can grade well and still carry a meal limit on larger predator fish.
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