Minnesota · DNR survey data

Merganser Lake

Merganser Lake covers 22 acres in Cook County, running to 3 feet, last surveyed by the DNR in 2011. The Minnesota DNR has not published bathymetry for this lake, so there is no depth map here, just the survey record: what the nets held and how big it ran.

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DNR survey data

Fish species

Species
How many
Survey numbers
Lengths
Northern pike
Just a few
4.7per gill net
20"Typical
27"Biggest
1"27"

Lengths measured · 24 fish

1"5"10"15"20"25"27"
Yellow perch
Good numbers
6.7per gill net
7"Typical
10"Biggest
1"10"

Lengths measured · 27 fish

1"2"4"6"8"10"

Rates come from standard DNR survey gear (gill nets, trap nets, electrofishing), judged against statewide benchmarks for the same gear — which is why the same number of fish per net can read differently for two species. Where the standard gear can't count a species reliably, the page shows presence and size only. Typical is the middle fish of those measured. Open a row for the full length spread, survey by survey. You can read every number on this page without an app or an account.

Recent reports

Merganser Lake fishing reports

Recent reports on Merganser Lake from guides, tournaments and regular anglers. Anything posted in the last two weeks also bumps the matching spots on the live map, so you'll see a "matches a recent report" tag on them.

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Cook County reports

Within 30 miles

Nearby lakes

Quick answers

Frequently asked questions

Is there a depth map for Merganser Lake?

The Minnesota DNR has not published bathymetry for Merganser Lake, so this page carries the survey record instead: species, catch rates and stocking history.

What fish are in Merganser Lake?

The most recent DNR survey (2011) recorded northern pike, yellow perch.

Is Merganser Lake stocked?

No stocking is on record for Merganser Lake in the DNR's stocking database.

When was Merganser Lake last surveyed?

The Minnesota DNR last surveyed Merganser Lake in 2011, the most recent of 2 surveys on record. A survey that old is a starting point, not a current reading.

Survey numbers are the Minnesota DNR's. How this site reads them →

Page updated .