Home / Lakes / Willmert (main bay) Willmert (main bay) Martin County, Minnesota — DOW #46001401
163 Surveys
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Willmert (main bay).
Green = above normal range. Red = below normal.
Black Bullhead Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard trap nets 5.4 (below normal) 11.5 – 132.6 0.51 lb 49 1993-08-30 Standard gill nets 7.8 (below normal) 30.3 – 150.6 0.55 lb 47 2019-06-24 Backpack electrofishing 11.3 — — 16 2019-06-24 50-ft beach seine 3.4 — — 34 1997-08-25 Standard trap nets 0.3 (below normal) 11.5 – 132.6 1.11 lb 3 1997-08-25 Standard gill nets 0.3 (below normal) 30.3 – 150.6 0.08 lb 1 2010-08-30 Standard gill nets 11.0 (below normal) 30.3 – 150.6 0.51 lb 11 2010-08-30 Survey seining 0.3 — — 1 2010-08-30 Standard trap nets 1.2 (below normal) 11.5 – 132.6 0.59 lb 11 2010-08-30 50-ft beach seine 0.1 — — 1 2018-08-27 Standard gill nets 64.5 (normal) 30.3 – 150.6 0.35 lb 129 2018-08-27 Standard trap nets 5.6 (below normal) 11.5 – 132.6 0.35 lb 50 1990-09-04 Standard gill nets 152.0 (above normal) 30.3 – 150.6 0.37 lb 304 1990-09-04 Standard trap nets 82.4 (normal) 11.5 – 132.6 0.37 lb 412 2001-08-27 Standard gill nets 107.0 (normal) 30.3 – 150.6 0.09 lb 107 2001-08-27 Standard trap nets 1.9 (below normal) 11.5 – 132.6 0.16 lb 15
White Crappie Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard gill nets 0.2 (below normal) 0.5 – 8.4 0.15 lb 1 1993-08-30 Standard trap nets 0.3 (normal) 0.3 – 6.0 0.40 lb 3 2019-06-24 Backpack electrofishing 2.1 — — 3 2019-06-24 50-ft beach seine 0.6 — — 6 1997-08-25 Standard trap nets 0.2 (below normal) 0.3 – 6.0 0.86 lb 2 2010-08-30 Standard trap nets 3.1 (normal) 0.3 – 6.0 0.27 lb 28 2010-08-30 50-ft beach seine 0.1 — — 1 2010-08-30 Standard gill nets 1.0 (normal) 0.5 – 8.4 0.26 lb 1 2018-08-27 Standard gill nets 9.5 (above normal) 0.5 – 8.4 0.19 lb 19 2018-08-27 Standard trap nets 13.6 (above normal) 0.3 – 6.0 0.23 lb 122 2001-08-27 Standard trap nets 0.1 (below normal) 0.3 – 6.0 0.24 lb 1
Yellow Perch Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard trap nets 0.7 (normal) 0.3 – 3.8 0.14 lb 6 1993-08-30 Standard gill nets 0.2 (below normal) 2.7 – 25.0 0.31 lb 1 2019-06-24 Backpack electrofishing 29.0 — — 41 2019-06-24 50-ft beach seine 280.8 — — 2808 1997-08-25 Standard trap nets 0.1 (below normal) 0.3 – 3.8 0.07 lb 1 1997-08-25 Survey seining 2.0 — — 8 1997-08-25 Standard gill nets 0.3 (below normal) 2.7 – 25.0 0.08 lb 1 2010-08-30 50-ft beach seine 1.5 — — 15 2010-08-30 Standard gill nets 83.0 (above normal) 2.7 – 25.0 0.16 lb 83 2010-08-30 Survey seining 8.8 — — 35 2010-08-30 Backpack electrofishing 12.2 — — 6 2010-08-30 Standard trap nets 5.1 (above normal) 0.3 – 3.8 0.12 lb 46 2018-08-27 Standard trap nets 4.0 (above normal) 0.3 – 3.8 0.17 lb 36 2018-08-27 Standard gill nets 14.5 (normal) 2.7 – 25.0 0.16 lb 29 1990-09-04 Standard trap nets 1.8 (normal) 0.3 – 3.8 0.37 lb 9 1990-09-04 Standard gill nets 4.0 (normal) 2.7 – 25.0 0.59 lb 8 2001-08-27 Standard trap nets 2.9 (normal) 0.3 – 3.8 0.09 lb 23 2001-08-27 Standard gill nets 140.0 (above normal) 2.7 – 25.0 0.07 lb 140
Northern Pike Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard gill nets 0.2 (below normal) 1.1 – 8.0 1.93 lb 1 1993-08-30 Standard trap nets 0.3 — 3.04 lb 3 1997-08-25 Standard gill nets 0.3 (below normal) 1.1 – 8.0 2.65 lb 1 1997-08-25 Standard trap nets 0.1 — 5.51 lb 1 2010-08-30 Standard trap nets 0.2 — 12.21 lb 2 1990-09-04 Standard trap nets 0.2 — 5.80 lb 1
Freshwater Drum Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard trap nets 6.8 (above normal) 0.2 – 3.3 0.46 lb 61 1993-08-30 Survey seining 1.5 — — 6 1993-08-30 Standard gill nets 4.5 (normal) 0.5 – 8.3 0.46 lb 27 1997-08-25 Standard trap nets 3.2 (normal) 0.2 – 3.3 0.47 lb 29 1997-08-25 Survey seining 9.0 — — 36 1997-08-25 Standard gill nets 57.8 (above normal) 0.5 – 8.3 0.43 lb 231 2010-08-30 Standard trap nets 12.7 (above normal) 0.2 – 3.3 0.39 lb 114 2010-08-30 50-ft beach seine 3.3 — — 33 2010-08-30 Standard gill nets 121.0 (above normal) 0.5 – 8.3 0.38 lb 121 2010-08-30 Survey seining 4.8 — — 19 2010-08-30 Backpack electrofishing 6.1 — — 3 2018-08-27 Standard trap nets 6.3 (above normal) 0.2 – 3.3 0.41 lb 57 2018-08-27 Standard gill nets 52.0 (above normal) 0.5 – 8.3 0.26 lb 104 2001-08-27 Standard trap nets 3.4 (above normal) 0.2 – 3.3 0.61 lb 27 2001-08-27 Standard gill nets 5.0 (normal) 0.5 – 8.3 0.55 lb 5
Fathead Minnow Date Gear CPUE Normal Range Total Catch 1993-08-30 Survey seining 5.3 — 21 2019-06-24 Backpack electrofishing 14.8 — 21 1997-08-25 Survey seining 4.3 — 17 2010-08-30 Backpack electrofishing 1568.0 — 774 2010-08-30 50-ft beach seine 23.7 — 237 2010-08-30 Survey seining 14.5 — 58
Common Carp Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard gill nets 30.5 (above normal) 1.0 – 13.8 1.77 lb 183 1993-08-30 Standard trap nets 10.6 (above normal) 1.0 – 5.5 3.13 lb 95 1997-08-25 Survey seining 0.3 — — 1 1997-08-25 Standard gill nets 11.5 (normal) 1.0 – 13.8 3.40 lb 46 1997-08-25 Standard trap nets 2.2 (normal) 1.0 – 5.5 3.11 lb 20 2010-08-30 Standard gill nets 8.0 (normal) 1.0 – 13.8 3.84 lb 8 2010-08-30 Survey seining 0.3 — — 1 2010-08-30 Standard trap nets 4.1 (normal) 1.0 – 5.5 4.15 lb 37 2010-08-30 50-ft beach seine 0.1 — — 1 2018-08-27 Standard gill nets 5.5 (normal) 1.0 – 13.8 5.35 lb 11 2018-08-27 Standard trap nets 3.1 (normal) 1.0 – 5.5 6.05 lb 28 1990-09-04 Standard gill nets 66.0 (above normal) 1.0 – 13.8 0.27 lb 132 1990-09-04 Standard trap nets 19.0 (above normal) 1.0 – 5.5 1.29 lb 95 2001-08-27 Standard gill nets 43.0 (above normal) 1.0 – 13.8 0.21 lb 43 2001-08-27 Standard trap nets 20.4 (above normal) 1.0 – 5.5 0.28 lb 163
Walleye Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard gill nets 9.2 (normal) 2.3 – 18.1 1.29 lb 55 1993-08-30 Standard trap nets 2.4 (normal) 0.5 – 3.0 1.71 lb 22 1997-08-25 Survey seining 0.3 — — 1 1997-08-25 Standard gill nets 11.8 (normal) 2.3 – 18.1 1.43 lb 47 1997-08-25 Standard trap nets 3.1 (above normal) 0.5 – 3.0 1.84 lb 28 2010-08-30 Standard gill nets 11.0 (normal) 2.3 – 18.1 0.20 lb 11 2010-08-30 Backpack electrofishing 4.0 — — 2 2010-08-30 Standard trap nets 10.4 (above normal) 0.5 – 3.0 0.43 lb 94 2010-08-30 50-ft beach seine 0.3 — — 3 2018-08-27 Standard gill nets 9.5 (normal) 2.3 – 18.1 1.68 lb 19 2018-08-27 Standard trap nets 4.1 (above normal) 0.5 – 3.0 1.35 lb 37 1990-09-04 Standard gill nets 47.0 (above normal) 2.3 – 18.1 2.01 lb 94 1990-09-04 Standard trap nets 0.4 (below normal) 0.5 – 3.0 0.95 lb 2 2001-08-27 Standard trap nets 1.8 (normal) 0.5 – 3.0 0.11 lb 14 2017-09-13 Fall electrofishing 33.8 — — 26
Black Crappie Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Survey seining 0.3 — — 1 1993-08-30 Standard gill nets 2.5 (normal) 1.4 – 13.8 0.41 lb 15 1993-08-30 Standard trap nets 6.7 (normal) 1.2 – 20.5 0.38 lb 60 2019-06-24 Backpack electrofishing 0.7 — — 1 2019-06-24 50-ft beach seine 0.2 — — 2 1997-08-25 Survey seining 0.3 — — 1 1997-08-25 Standard gill nets 11.0 (normal) 1.4 – 13.8 0.46 lb 44 1997-08-25 Standard trap nets 16.6 (normal) 1.2 – 20.5 0.25 lb 149 2010-08-30 Standard gill nets 11.0 (normal) 1.4 – 13.8 0.29 lb 11 2010-08-30 Survey seining 3.3 — — 13 2010-08-30 Backpack electrofishing 2.0 — — 1 2010-08-30 Standard trap nets 61.8 (above normal) 1.2 – 20.5 0.12 lb 556 2010-08-30 50-ft beach seine 1.6 — — 16 2018-08-27 Standard gill nets 2.5 (normal) 1.4 – 13.8 0.34 lb 5 2018-08-27 Standard trap nets 25.7 (above normal) 1.2 – 20.5 0.30 lb 231 1990-09-04 Standard gill nets 3.0 (normal) 1.4 – 13.8 0.69 lb 6 1990-09-04 Standard trap nets 1.0 (below normal) 1.2 – 20.5 0.90 lb 5 2001-08-27 Standard trap nets 0.6 (below normal) 1.2 – 20.5 0.03 lb 5
BIB Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard gill nets 0.5 (below normal) 0.8 – 7.0 1.65 lb 3 2019-06-24 Backpack electrofishing 11.3 — — 16 2019-06-24 50-ft beach seine 15.5 — — 155 1997-08-25 Survey seining 0.3 — — 1 1997-08-25 Standard gill nets 0.3 (below normal) 0.8 – 7.0 0.06 lb 1 1997-08-25 Standard trap nets 0.9 (normal) 0.2 – 1.0 5.67 lb 8 2010-08-30 Standard gill nets 6.0 (normal) 0.8 – 7.0 1.73 lb 6 2010-08-30 Survey seining 0.5 — — 2 2010-08-30 Standard trap nets 3.9 (above normal) 0.2 – 1.0 7.30 lb 35 2010-08-30 50-ft beach seine 0.1 — — 1 2018-08-27 Standard gill nets 2.0 (normal) 0.8 – 7.0 10.32 lb 4 2018-08-27 Standard trap nets 0.7 (normal) 0.2 – 1.0 6.98 lb 6 2001-08-27 Standard gill nets 122.0 (above normal) 0.8 – 7.0 0.24 lb 122 2001-08-27 Standard trap nets 0.8 (normal) 0.2 – 1.0 2.97 lb 6
Bluegill Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard trap nets 2.8 (normal) 1.2 – 20.0 0.55 lb 25 1997-08-25 Survey seining 1.5 — — 6 1997-08-25 Standard trap nets 5.4 (normal) 1.2 – 20.0 0.38 lb 49 2010-08-30 Survey seining 3.8 — — 15 2010-08-30 Backpack electrofishing 48.6 — — 24 2010-08-30 Standard trap nets 0.4 (below normal) 1.2 – 20.0 0.49 lb 4 2010-08-30 50-ft beach seine 7.4 — — 74 1990-09-04 Standard trap nets 3.8 (normal) 1.2 – 20.0 0.60 lb 19 2001-08-27 Standard trap nets 1.3 (normal) 1.2 – 20.0 0.29 lb 10
White Sucker Date Gear CPUE Normal Range Avg Weight Total Catch 1993-08-30 Standard trap nets 0.2 (below normal) 0.3 – 2.6 1.12 lb 2 1997-08-25 Standard gill nets 0.3 (below normal) 0.8 – 6.5 1.98 lb 1 1997-08-25 Standard trap nets 0.4 (normal) 0.3 – 2.6 1.69 lb 4 2010-08-30 Standard trap nets 0.1 (below normal) 0.3 – 2.6 1.25 lb 1 2018-08-27 Standard trap nets 0.2 (below normal) 0.3 – 2.6 1.18 lb 2
OSS Date Gear CPUE Normal Range Total Catch 2019-06-24 Backpack electrofishing 8.5 — 12 2019-06-24 50-ft beach seine 0.1 — 1 2010-08-30 Backpack electrofishing 24.3 — 12 2010-08-30 50-ft beach seine 0.8 — 8
SFS Date Gear CPUE Normal Range Total Catch 2019-06-24 Backpack electrofishing 4.2 — 6 2010-08-30 Backpack electrofishing 2.0 — 1
Largemouth Bass Date Gear CPUE Normal Range Total Catch 2019-06-24 50-ft beach seine 0.2 — 2
Golden Shiner Date Gear CPUE Normal Range Avg Weight Total Catch 1997-08-25 Standard gill nets 2.0 (normal) 0.5 – 2.6 0.08 lb 8 1997-08-25 Standard trap nets 0.4 (normal) 0.2 – 1.1 0.07 lb 4 2010-08-30 Standard trap nets 0.1 (below normal) 0.2 – 1.1 0.06 lb 1 2001-08-27 Standard gill nets 2.0 (normal) 0.5 – 2.6 0.07 lb 2
OTM Date Gear CPUE Normal Range Total Catch 1997-08-25 Survey seining 0.3 — 1
Channel Catfish Date Gear CPUE Normal Range Avg Weight Total Catch 1997-08-25 Standard trap nets 0.1 — 1.67 lb 1
CRP Date Gear CPUE Normal Range Total Catch 1997-08-25 Survey seining 239.5 — 958
Common Shiner Date Gear CPUE Normal Range Total Catch 2010-08-30 Survey seining 1.5 — 6
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Fish Species Species known to inhabit Willmert (main bay). Click any species for a full fishing guide.
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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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