Louisa

Wright County, Minnesota — DOW #86028200

242 Surveys

Invasive Species Alert

Louisa has confirmed populations of:

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192.7
Acres
44 ft
Max Depth
10.5 ft
Mean Depth
15
Fish Species
6
Local Guides

DNR Fish Surveys

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

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard trap nets 1.3 (normal) 0.7 – 25.7 0.53 lb 9
2005-06-20 Survey seining 1.3 4
2005-06-20 Standard gill nets 29.0 (normal) 2.5 – 45.0 0.53 lb 174
2019-07-08 Backpack electrofishing 50.6 54
2014-06-16 Standard trap nets 0.1 (below normal) 0.7 – 25.7 1.04 lb 1
2014-06-16 Standard gill nets 0.5 (below normal) 2.5 – 45.0 1.08 lb 3
1982-07-13 Standard trap nets 33.3 (above normal) 0.7 – 25.7 0.29 lb 133
1982-07-13 Standard gill nets 198.0 (above normal) 2.5 – 45.0 0.24 lb 396
2019-06-17 Standard trap nets 0.3 (below normal) 0.7 – 25.7 0.65 lb 3
2019-06-17 Standard gill nets 0.2 (below normal) 2.5 – 45.0 1.33 lb 1
1983-07-11 Standard trap nets 30.3 (above normal) 0.7 – 25.7 0.34 lb 91
1983-07-11 Standard gill nets 15.0 (normal) 2.5 – 45.0 0.37 lb 30
1991-07-08 Standard trap nets 6.5 (normal) 0.7 – 25.7 0.57 lb 39
1991-07-08 Standard gill nets 1.8 (below normal) 2.5 – 45.0 0.32 lb 9
1984-07-10 Standard trap nets 21.2 (normal) 0.7 – 25.7 0.39 lb 106
1985-07-08 Standard trap nets 25.7 (normal) 0.7 – 25.7 0.24 lb 154
1985-07-08 Standard gill nets 2.0 (below normal) 2.5 – 45.0 0.12 lb 10

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard trap nets 0.3 (below normal) 0.3 – 1.7 0.08 lb 2
2005-06-20 Survey seining 2.0 0.03 lb 6
2005-06-20 Standard gill nets 3.5 (normal) 2.0 – 27.9 0.13 lb 21
2019-07-08 Backpack electrofishing 2.8 3
2019-07-08 50-ft beach seine 2.3 9
2014-06-16 Standard trap nets 0.1 (below normal) 0.3 – 1.7 0.04 lb 1
2014-06-16 Standard gill nets 0.3 (below normal) 2.0 – 27.9 0.09 lb 2
2020-07-20 50-ft beach seine 11.2 67
2020-07-20 Backpack electrofishing 7.4 19
2020-07-20 Standard trap nets 0.4 (normal) 0.3 – 1.7 0.13 lb 4
1982-07-13 Standard gill nets 0.5 (below normal) 2.0 – 27.9 0.60 lb 1
2019-06-17 Standard trap nets 1.3 (normal) 0.3 – 1.7 0.11 lb 12
2019-06-17 Standard gill nets 6.7 (normal) 2.0 – 27.9 0.11 lb 40
1983-07-11 Standard gill nets 2.0 (normal) 2.0 – 27.9 0.20 lb 4
1991-07-08 Standard trap nets 4.0 (above normal) 0.3 – 1.7 0.12 lb 24
1991-07-08 Standard gill nets 39.4 (above normal) 2.0 – 27.9 0.16 lb 197
1984-07-10 Standard trap nets 0.2 (below normal) 0.3 – 1.7 0.20 lb 1
1985-07-08 Standard gill nets 0.8 (below normal) 2.0 – 27.9 0.10 lb 4

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard gill nets 0.3 (below normal) 0.5 – 7.5 0.78 lb 2
2005-06-20 Standard trap nets 0.1 (below normal) 0.9 – 5.7 0.50 lb 1
2014-06-16 Standard gill nets 0.5 (normal) 0.5 – 7.5 0.58 lb 3
2014-06-16 Standard trap nets 1.4 (normal) 0.9 – 5.7 1.09 lb 13
2020-07-20 Standard trap nets 1.9 (normal) 0.9 – 5.7 1.00 lb 17
1982-07-13 Standard trap nets 1.3 (normal) 0.9 – 5.7 0.50 lb 5
2019-06-17 Standard gill nets 0.7 (normal) 0.5 – 7.5 0.86 lb 4
2019-06-17 Standard trap nets 6.3 (above normal) 0.9 – 5.7 0.71 lb 57
1983-07-11 Standard trap nets 3.0 (normal) 0.9 – 5.7 0.70 lb 9
1991-07-08 Standard gill nets 0.2 (below normal) 0.5 – 7.5 0.10 lb 1
1991-07-08 Standard trap nets 4.7 (normal) 0.9 – 5.7 0.51 lb 28
1984-07-10 Standard trap nets 7.2 (above normal) 0.9 – 5.7 0.43 lb 36
1985-07-08 Standard trap nets 4.0 (normal) 0.9 – 5.7 0.17 lb 24

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard gill nets 8.3 (above normal) 1.5 – 7.3 4.09 lb 50
2005-06-20 Standard trap nets 0.3 6.72 lb 2
2019-07-08 Backpack electrofishing 0.9 1
2014-06-16 Standard gill nets 6.5 (normal) 1.5 – 7.3 3.49 lb 39
2014-06-16 Standard trap nets 0.2 2.84 lb 2
2020-07-20 50-ft beach seine 1.0 6
2020-07-20 Backpack electrofishing 0.4 1
2020-07-20 Standard trap nets 1.2 3.26 lb 11
1982-07-13 Standard gill nets 0.5 (below normal) 1.5 – 7.3 10.00 lb 1
1982-07-13 Standard trap nets 0.3 7.50 lb 1
2019-06-17 Standard gill nets 6.3 (normal) 1.5 – 7.3 4.74 lb 38
2019-06-17 Standard trap nets 0.3 2.76 lb 3
1983-07-11 Standard gill nets 2.5 (normal) 1.5 – 7.3 4.10 lb 5
1983-07-11 Standard trap nets 1.0 9.17 lb 3
1991-07-08 Standard gill nets 1.2 (below normal) 1.5 – 7.3 2.60 lb 6
1991-07-08 Standard trap nets 0.5 3.57 lb 3
1984-07-10 Standard trap nets 0.4 2.65 lb 2
1985-07-08 Standard gill nets 3.8 (normal) 1.5 – 7.3 3.33 lb 19
1985-07-08 Standard trap nets 0.8 2.54 lb 5

Channel Catfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard gill nets 0.3 0.78 lb 2
2014-06-16 Standard trap nets 0.4 2.98 lb 4
2019-06-17 Standard gill nets 0.2 0.47 lb 1

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard electrofishing 1.3 1.07 lb 1
2005-06-20 Standard gill nets 0.3 (below normal) 1.2 – 6.3 1.43 lb 2
2005-06-20 Standard trap nets 0.1 (below normal) 0.3 – 1.2 5.18 lb 1
2014-06-16 Standard gill nets 1.5 (normal) 1.2 – 6.3 3.48 lb 9
2020-07-20 Standard trap nets 0.7 (normal) 0.3 – 1.2 4.35 lb 6
1982-07-13 Standard gill nets 1.0 (below normal) 1.2 – 6.3 0.60 lb 2
1982-07-13 Standard trap nets 0.5 (normal) 0.3 – 1.2 1.50 lb 2
2019-06-17 Standard gill nets 0.8 (below normal) 1.2 – 6.3 2.61 lb 5
2019-06-17 Standard trap nets 0.4 (normal) 0.3 – 1.2 4.67 lb 4
1991-07-08 Standard gill nets 0.6 (below normal) 1.2 – 6.3 1.20 lb 3
1984-07-10 Standard trap nets 0.8 (normal) 0.3 – 1.2 2.38 lb 4
1985-07-08 Standard trap nets 0.2 (below normal) 0.3 – 1.2 1.10 lb 1

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Survey seining 3.3 0.05 lb 10
2005-06-20 Standard trap nets 0.6 0.20 lb 4
2019-07-08 50-ft beach seine 0.8 3
2020-07-20 Backpack electrofishing 1.6 4
2020-07-20 Standard trap nets 0.2 0.17 lb 2
2020-07-20 50-ft beach seine 0.2 1
1982-07-13 Standard trap nets 0.8 0.22 lb 3
2019-06-17 Standard trap nets 0.6 0.14 lb 5
1983-07-11 Standard gill nets 0.5 0.10 lb 1
1983-07-11 Standard trap nets 6.7 0.14 lb 20
1991-07-08 Standard gill nets 0.2 0.20 lb 1
1991-07-08 Standard trap nets 3.2 0.11 lb 19
1984-07-10 Standard trap nets 0.6 0.43 lb 3
1985-07-08 Standard trap nets 3.7 0.06 lb 22

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard electrofishing 95.1 1.26 lb 71
2005-06-20 Survey seining 4.7 0.03 lb 14
2005-06-20 Standard gill nets 0.3 (normal) 0.3 – 0.8 1.72 lb 2
2019-07-08 Backpack electrofishing 15.0 16
2019-07-08 15-ft beach seine 8.8 44
2019-07-08 50-ft beach seine 29.8 119
2014-06-16 Standard electrofishing 93.5 1.59 lb 96
2014-06-16 Standard trap nets 0.2 (normal) 0.2 – 0.7 1.81 lb 2
2020-07-20 50-ft beach seine 32.3 194
2020-07-20 Backpack electrofishing 17.9 46
2020-07-20 Standard trap nets 0.2 (normal) 0.2 – 0.7 1.92 lb 2
1982-07-13 Standard trap nets 0.5 (normal) 0.2 – 0.7 0.07 lb 2
2019-06-17 Standard electrofishing 82.8 1.71 lb 119
2019-06-17 Standard trap nets 0.4 (normal) 0.2 – 0.7 0.30 lb 4
1983-07-11 Standard gill nets 0.5 (normal) 0.3 – 0.8 0.70 lb 1
1983-07-11 Standard trap nets 1.7 (above normal) 0.2 – 0.7 0.16 lb 5
1991-07-08 Standard trap nets 0.7 (normal) 0.2 – 0.7 0.20 lb 4
1984-07-10 Standard trap nets 0.8 (above normal) 0.2 – 0.7 0.93 lb 4
1985-07-08 Standard trap nets 0.3 (normal) 0.2 – 0.7 0.05 lb 2

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Survey seining 43.0 129
2005-06-20 Standard gill nets 1.8 0.29 lb 11
2005-06-20 Standard trap nets 26.3 (normal) 7.5 – 62.5 0.27 lb 184
2019-07-08 Backpack electrofishing 4.7 5
2019-07-08 15-ft beach seine 1.8 9
2019-07-08 50-ft beach seine 29.5 118
2014-06-16 Standard gill nets 2.2 0.24 lb 13
2014-06-16 Standard trap nets 14.7 (normal) 7.5 – 62.5 0.26 lb 132
2020-07-20 Backpack electrofishing 14.8 38
2020-07-20 Standard trap nets 16.3 (normal) 7.5 – 62.5 0.19 lb 147
2020-07-20 50-ft beach seine 57.7 346
1982-07-13 Standard gill nets 2.5 0.30 lb 5
1982-07-13 Standard trap nets 82.3 (above normal) 7.5 – 62.5 0.35 lb 329
2019-06-17 Standard gill nets 3.7 0.25 lb 22
2019-06-17 Standard trap nets 32.3 (normal) 7.5 – 62.5 0.21 lb 291
1983-07-11 Standard gill nets 4.0 0.23 lb 8
1983-07-11 Standard trap nets 163.7 (above normal) 7.5 – 62.5 0.12 lb 491
1991-07-08 Standard gill nets 4.0 0.21 lb 20
1991-07-08 Standard trap nets 136.7 (above normal) 7.5 – 62.5 0.19 lb 820
1984-07-10 Standard trap nets 306.0 (above normal) 7.5 – 62.5 0.16 lb 1530
1985-07-08 Standard gill nets 0.6 0.17 lb 3
1985-07-08 Standard trap nets 183.2 (above normal) 7.5 – 62.5 0.16 lb 1099

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Survey seining 5.3 0.04 lb 16
2005-06-20 Standard trap nets 1.1 (normal) 0.7 – 4.2 0.18 lb 8
2019-07-08 50-ft beach seine 1.8 7
2014-06-16 Standard trap nets 0.4 (below normal) 0.7 – 4.2 0.19 lb 4
2020-07-20 Backpack electrofishing 1.2 3
2020-07-20 Standard trap nets 1.6 (normal) 0.7 – 4.2 0.19 lb 14
2020-07-20 50-ft beach seine 3.0 18
1982-07-13 Standard trap nets 3.5 (normal) 0.7 – 4.2 0.14 lb 14
2019-06-17 Standard gill nets 0.3 0.14 lb 2
2019-06-17 Standard trap nets 6.6 (above normal) 0.7 – 4.2 0.22 lb 59
1983-07-11 Standard gill nets 1.0 0.15 lb 2
1983-07-11 Standard trap nets 45.0 (above normal) 0.7 – 4.2 0.08 lb 135
1991-07-08 Standard gill nets 0.2 0.10 lb 1
1991-07-08 Standard trap nets 10.7 (above normal) 0.7 – 4.2 0.10 lb 64
1984-07-10 Standard trap nets 5.4 (above normal) 0.7 – 4.2 0.09 lb 27
1985-07-08 Standard trap nets 3.7 (normal) 0.7 – 4.2 0.05 lb 22

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Survey seining 0.3 0.48 lb 1
2005-06-20 Standard gill nets 0.5 (below normal) 2.5 – 16.5 0.43 lb 3
2005-06-20 Standard trap nets 3.6 (normal) 1.8 – 21.2 0.35 lb 25
2019-07-08 50-ft beach seine 6.0 24
2014-06-16 Standard gill nets 0.3 (below normal) 2.5 – 16.5 0.44 lb 2
2014-06-16 Standard trap nets 1.6 (below normal) 1.8 – 21.2 0.44 lb 14
2020-07-20 Standard trap nets 5.9 (normal) 1.8 – 21.2 0.19 lb 53
2020-07-20 50-ft beach seine 6.2 37
1982-07-13 Standard gill nets 47.5 (above normal) 2.5 – 16.5 0.31 lb 95
1982-07-13 Standard trap nets 90.8 (above normal) 1.8 – 21.2 0.31 lb 363
2019-06-17 Standard gill nets 1.5 (below normal) 2.5 – 16.5 0.31 lb 9
2019-06-17 Standard trap nets 5.3 (normal) 1.8 – 21.2 0.29 lb 48
1983-07-11 Standard gill nets 13.5 (normal) 2.5 – 16.5 0.15 lb 27
1983-07-11 Standard trap nets 55.0 (above normal) 1.8 – 21.2 0.17 lb 165
1991-07-08 Standard gill nets 14.8 (normal) 2.5 – 16.5 0.16 lb 74
1991-07-08 Standard trap nets 42.3 (above normal) 1.8 – 21.2 0.17 lb 254
1984-07-10 Standard trap nets 35.0 (above normal) 1.8 – 21.2 0.14 lb 175
1985-07-08 Standard gill nets 5.6 (normal) 2.5 – 16.5 0.18 lb 28
1985-07-08 Standard trap nets 43.7 (above normal) 1.8 – 21.2 0.18 lb 262

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard gill nets 0.3 (normal) 0.2 – 0.8 4.00 lb 2
2005-06-20 Standard trap nets 0.3 (below normal) 0.4 – 1.3 2.73 lb 2
2014-06-16 Standard trap nets 0.3 (below normal) 0.4 – 1.3 3.02 lb 3
2019-06-17 Standard trap nets 0.3 (below normal) 0.4 – 1.3 4.74 lb 3
1991-07-08 Standard trap nets 0.2 (below normal) 0.4 – 1.3 4.30 lb 1
1984-07-10 Standard trap nets 0.6 (normal) 0.4 – 1.3 2.23 lb 3
1985-07-08 Standard trap nets 0.5 (normal) 0.4 – 1.3 2.47 lb 3

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
2005-06-20 Standard gill nets 3.7 (above normal) 0.4 – 2.2 2.32 lb 22
2005-06-20 Standard trap nets 0.3 (normal) 0.2 – 1.0 2.56 lb 2
2019-07-08 Backpack electrofishing 0.9 1
2019-07-08 50-ft beach seine 0.3 1
2014-06-16 Standard gill nets 6.5 (above normal) 0.4 – 2.2 2.69 lb 39
2014-06-16 Standard trap nets 0.3 (normal) 0.2 – 1.0 3.46 lb 3
2020-07-20 Standard trap nets 1.4 (above normal) 0.2 – 1.0 3.18 lb 13
1982-07-13 Standard gill nets 7.0 (above normal) 0.4 – 2.2 2.21 lb 14
1982-07-13 Standard trap nets 1.0 (normal) 0.2 – 1.0 3.08 lb 4
2019-06-17 Standard gill nets 3.7 (above normal) 0.4 – 2.2 2.52 lb 22
2019-06-17 Standard trap nets 0.1 (below normal) 0.2 – 1.0 3.22 lb 1
1983-07-11 Standard gill nets 7.5 (above normal) 0.4 – 2.2 2.33 lb 15
1983-07-11 Standard trap nets 1.0 (normal) 0.2 – 1.0 2.67 lb 3
1991-07-08 Standard gill nets 6.0 (above normal) 0.4 – 2.2 2.38 lb 30
1991-07-08 Standard trap nets 0.8 (normal) 0.2 – 1.0 2.68 lb 5
1984-07-10 Standard trap nets 9.4 (above normal) 0.2 – 1.0 2.42 lb 47
1985-07-08 Standard gill nets 1.4 (normal) 0.4 – 2.2 1.79 lb 7
1985-07-08 Standard trap nets 0.7 (normal) 0.2 – 1.0 0.57 lb 4

Green Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2019-07-08 Backpack electrofishing 5.6 6
2020-07-20 Backpack electrofishing 2.7 7
2020-07-20 50-ft beach seine 0.2 1
1982-07-13 Standard trap nets 0.3 (normal) 0.2 – 1.3 0.10 lb 1
1983-07-11 Standard trap nets 18.0 (above normal) 0.2 – 1.3 0.06 lb 54
1991-07-08 Standard trap nets 0.2 (below normal) 0.2 – 1.3 0.10 lb 1

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2019-07-08 Backpack electrofishing 9.4 10
2019-07-08 15-ft beach seine 4.2 21
2019-07-08 50-ft beach seine 10.5 42
2020-07-20 50-ft beach seine 0.3 2
2020-07-20 Backpack electrofishing 3.5 9

Tadpole Madtom

Date Gear CPUE Normal Range Total Catch
2019-07-08 Backpack electrofishing 0.9 1
2019-07-08 15-ft beach seine 0.2 1

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2019-07-08 15-ft beach seine 2.4 12
2019-07-08 50-ft beach seine 5.3 21
2019-07-08 Backpack electrofishing 5.6 6
2020-07-20 Backpack electrofishing 0.8 2
2020-07-20 50-ft beach seine 1.8 11

Golden Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
2019-07-08 50-ft beach seine 7.8 31
2019-07-08 15-ft beach seine 6.2 31
2020-07-20 50-ft beach seine 7.5 45
2019-06-17 Standard trap nets 0.2 (normal) 0.2 – 0.8 0.07 lb 2
1991-07-08 Standard gill nets 0.2 (below normal) 0.3 – 1.5 0.10 lb 1
1991-07-08 Standard trap nets 0.5 (normal) 0.2 – 0.8 0.13 lb 3
1985-07-08 Standard gill nets 0.4 (normal) 0.3 – 1.5 0.10 lb 2
1985-07-08 Standard trap nets 0.5 (normal) 0.2 – 0.8 0.07 lb 3

Spottail Shiner

Date Gear CPUE Normal Range Total Catch
2019-07-08 50-ft beach seine 6.3 25
2019-07-08 15-ft beach seine 0.6 3
2020-07-20 Backpack electrofishing 0.4 1

Common Carp

Date Gear CPUE Normal Range Avg Weight Total Catch
2014-06-16 Standard trap nets 0.1 (below normal) 0.4 – 2.0 4.74 lb 1
2020-07-20 Backpack electrofishing 9.7 25
2020-07-20 Standard trap nets 0.1 (below normal) 0.4 – 2.0 12.08 lb 1
2020-07-20 50-ft beach seine 0.3 2
1982-07-13 Standard trap nets 1.0 (normal) 0.4 – 2.0 4.25 lb 4
1991-07-08 Standard gill nets 0.2 (below normal) 0.3 – 3.0 5.80 lb 1
1991-07-08 Standard trap nets 0.5 (normal) 0.4 – 2.0 3.37 lb 3
1984-07-10 Standard trap nets 23.0 (above normal) 0.4 – 2.0 0.45 lb 115
1985-07-08 Standard gill nets 2.0 (normal) 0.3 – 3.0 1.06 lb 10
1985-07-08 Standard trap nets 1.8 (normal) 0.4 – 2.0 2.08 lb 11

CNM

Date Gear CPUE Normal Range Total Catch
2020-07-20 Backpack electrofishing 0.4 1

Brook Trout

Date Gear CPUE Normal Range Total Catch
2020-07-20 Backpack electrofishing 0.4 1
2020-07-20 50-ft beach seine 42.3 254

BKF

Date Gear CPUE Normal Range Total Catch
2020-07-20 Backpack electrofishing 2.7 7

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1984-07-10 Standard trap nets 1.6 (above normal) 0.2 – 1.4 0.55 lb 8
1985-07-08 Standard trap nets 0.2 (below normal) 0.2 – 1.4 0.80 lb 1

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Fish Species

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

Black BullheadBlack CrappieBluegillBowfin (Dogfish)Channel CatfishCommon CarpGreen SunfishHybrid SunfishLargemouth BassNorthern PikePumpkinseedWalleyeWhite SuckerYellow BullheadYellow 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.