Maple Leaf

St. Louis County, Minnesota — DOW #69070000

65 Surveys
99.55
Acres
51 ft
Max Depth
14 ft
Mean Depth
9
Fish Species
33
Local Guides

DNR Fish Surveys

Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Maple Leaf. Green = above normal range. Red = below normal.

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Standard trap nets 1.3 (normal) 0.3 – 1.5 0.10 lb 12
1993-08-23 Survey seining 7.0 28
1993-08-23 Standard gill nets 7.3 (above normal) 0.5 – 7.0 0.11 lb 44
1988-06-23 Standard trap nets 0.5 (normal) 0.3 – 1.5 0.10 lb 2
1988-06-23 Standard gill nets 8.2 (above normal) 0.5 – 7.0 0.19 lb 49
2003-08-25 Survey seining 2.0 4
2003-08-25 Standard gill nets 2.5 (normal) 0.5 – 7.0 0.10 lb 15
2016-09-12 Standard trap nets 0.2 (below normal) 0.3 – 1.5 0.09 lb 2
2016-09-12 Standard gill nets 0.2 (below normal) 0.5 – 7.0 0.13 lb 1

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Standard gill nets 4.3 (normal) 1.3 – 5.3 2.59 lb 26
1993-08-23 Standard trap nets 0.8 0.61 lb 7
1993-08-23 Survey seining 1.0 4
1988-06-23 Standard gill nets 13.2 (above normal) 1.3 – 5.3 1.62 lb 79
1988-06-23 Standard trap nets 1.0 0.25 lb 4
2003-08-25 Standard gill nets 6.0 (above normal) 1.3 – 5.3 1.66 lb 36
2003-08-25 Standard trap nets 0.3 2.01 lb 3
2016-09-12 Standard gill nets 4.2 (normal) 1.3 – 5.3 1.76 lb 25
2016-09-12 Standard trap nets 1.1 1.72 lb 10

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Survey seining 0.3 1
1993-08-23 Standard trap nets 0.4 0.40 lb 4
2016-09-12 Standard trap nets 0.2 0.12 lb 2

Fathead Minnow

Date Gear CPUE Normal Range Total Catch
1993-08-23 Survey seining 0.3 1

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Survey seining 3.8 15
2003-08-25 Standard trap nets 0.4 (normal) 0.3 – 1.5 0.08 lb 4
2003-08-25 Standard electrofishing 82.2 1.59 lb 39
2003-08-25 Standard gill nets 0.3 (normal) 0.3 – 1.8 0.71 lb 2
2016-09-12 Standard trap nets 0.2 (below normal) 0.3 – 1.5 0.07 lb 2
2016-09-12 Standard electrofishing 43.7 1.85 lb 59

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Survey seining 10.5 42
1993-08-23 Standard gill nets 2.3 0.16 lb 14
1993-08-23 Standard trap nets 34.2 (normal) 4.3 – 34.3 0.15 lb 308
1988-06-23 Standard trap nets 34.3 (normal) 4.3 – 34.3 0.17 lb 137
1988-06-23 Standard gill nets 2.7 0.13 lb 16
2003-08-25 Standard trap nets 14.6 (normal) 4.3 – 34.3 0.10 lb 131
2003-08-25 Survey seining 15.0 30
2003-08-25 Standard gill nets 3.7 0.16 lb 22
2016-09-12 Standard trap nets 5.0 (normal) 4.3 – 34.3 0.23 lb 45

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Survey seining 0.3 1
1993-08-23 Standard trap nets 2.2 (normal) 0.5 – 3.3 0.17 lb 20
1988-06-23 Standard gill nets 1.2 0.16 lb 7
1988-06-23 Standard trap nets 3.5 (above normal) 0.5 – 3.3 0.21 lb 14
2003-08-25 Survey seining 0.5 1
2003-08-25 Standard gill nets 0.5 0.27 lb 3
2003-08-25 Standard trap nets 3.7 (above normal) 0.5 – 3.3 0.18 lb 33
2016-09-12 Standard trap nets 1.7 (normal) 0.5 – 3.3 0.18 lb 15

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Standard gill nets 0.8 (normal) 0.8 – 3.8 2.32 lb 5
1993-08-23 Standard trap nets 0.1 (below normal) 0.3 – 1.1 3.20 lb 1
1988-06-23 Standard gill nets 0.2 (below normal) 0.8 – 3.8 0.70 lb 1
2003-08-25 Standard gill nets 2.0 (normal) 0.8 – 3.8 2.40 lb 12
2003-08-25 Standard trap nets 0.2 (below normal) 0.3 – 1.1 1.38 lb 2
2016-09-12 Standard gill nets 2.2 (normal) 0.8 – 3.8 2.10 lb 13
2016-09-12 Standard trap nets 0.3 (normal) 0.3 – 1.1 3.58 lb 3

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Survey seining 11.3 45
1993-08-23 Standard gill nets 1.7 (normal) 0.5 – 1.9 0.34 lb 10
1993-08-23 Standard trap nets 2.7 (normal) 1.6 – 6.8 0.25 lb 24
1988-06-23 Standard gill nets 2.7 (above normal) 0.5 – 1.9 0.16 lb 16
1988-06-23 Standard trap nets 7.8 (above normal) 1.6 – 6.8 0.20 lb 31
2003-08-25 Standard gill nets 3.3 (above normal) 0.5 – 1.9 0.14 lb 20
2003-08-25 Standard trap nets 2.9 (normal) 1.6 – 6.8 0.11 lb 26
2016-09-12 Standard gill nets 1.7 (normal) 0.5 – 1.9 0.08 lb 10
2016-09-12 Standard trap nets 2.1 (normal) 1.6 – 6.8 0.34 lb 19

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1993-08-23 Standard gill nets 0.7 (below normal) 1.2 – 4.9 2.38 lb 4
1993-08-23 Standard trap nets 0.4 (normal) 0.3 – 2.7 4.30 lb 4
1988-06-23 Standard gill nets 1.3 (normal) 1.2 – 4.9 2.58 lb 8
2016-09-12 Standard gill nets 0.2 (below normal) 1.2 – 4.9 3.97 lb 1

Depth Maps & Lake Info

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Fish Species

Species known to inhabit Maple Leaf. Click any species for a full fishing guide.

Black CrappieBluegillHybrid SunfishLargemouth BassNorthern PikePumpkinseedWalleyeWhite SuckerYellow Perch

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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.