Walker

Otter Tail County, Minnesota — DOW #56031000

157 Surveys

Invasive Species Alert

Walker has confirmed populations of:

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578.49
Acres
29 ft
Max Depth
0
17
Fish Species
8
Local Guides

DNR Fish Surveys

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

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard trap nets 1.2 (normal) 0.4 – 2.1 0.77 lb 7
1990-08-14 Standard gill nets 1.5 (normal) 0.5 – 2.5 1.18 lb 6
2014-08-04 Standard trap nets 2.5 (above normal) 0.4 – 2.1 0.80 lb 20
2014-08-04 Standard gill nets 0.2 (below normal) 0.5 – 2.5 0.90 lb 2
1982-08-09 Standard trap nets 9.8 (above normal) 0.4 – 2.1 0.57 lb 59
1982-08-09 Standard gill nets 11.2 (above normal) 0.5 – 2.5 0.67 lb 56
1986-08-11 Standard trap nets 3.0 (above normal) 0.4 – 2.1 0.89 lb 18
1986-08-11 Standard gill nets 2.3 (normal) 0.5 – 2.5 0.66 lb 14
2003-08-18 Standard trap nets 0.1 (below normal) 0.4 – 2.1 1.50 lb 1
2003-08-18 Standard gill nets 0.8 (normal) 0.5 – 2.5 0.89 lb 7
2007-08-20 Standard trap nets 1.0 (normal) 0.4 – 2.1 1.24 lb 7
2007-08-20 Standard gill nets 0.3 (below normal) 0.5 – 2.5 1.11 lb 3

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard trap nets 5.5 (above normal) 0.5 – 3.3 0.33 lb 33
1990-08-14 Standard gill nets 40.0 (normal) 3.4 – 43.6 0.30 lb 160
2014-08-04 Standard gill nets 15.4 (normal) 3.4 – 43.6 0.10 lb 139
1982-08-09 Standard trap nets 2.0 (normal) 0.5 – 3.3 0.32 lb 12
1982-08-09 Standard gill nets 21.0 (normal) 3.4 – 43.6 0.17 lb 105
1986-08-11 Standard trap nets 4.5 (above normal) 0.5 – 3.3 0.17 lb 27
1986-08-11 Standard gill nets 47.5 (above normal) 3.4 – 43.6 0.18 lb 285
2003-08-18 Standard trap nets 0.9 (normal) 0.5 – 3.3 0.17 lb 6
2003-08-18 Standard gill nets 12.3 (normal) 3.4 – 43.6 0.13 lb 111
2007-08-20 Standard trap nets 1.4 (normal) 0.5 – 3.3 0.23 lb 10
2007-08-20 Standard gill nets 14.9 (normal) 3.4 – 43.6 0.15 lb 134

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 1.5 (normal) 1.0 – 10.5 0.73 lb 6
1990-08-14 Standard trap nets 4.0 (normal) 1.3 – 9.8 0.86 lb 24
2014-08-04 Standard gill nets 0.3 (below normal) 1.0 – 10.5 0.58 lb 3
2014-08-04 Standard trap nets 1.8 (normal) 1.3 – 9.8 0.79 lb 14
1982-08-09 Standard gill nets 1.6 (normal) 1.0 – 10.5 0.50 lb 8
1982-08-09 Standard trap nets 3.5 (normal) 1.3 – 9.8 0.48 lb 21
1986-08-11 Standard gill nets 1.8 (normal) 1.0 – 10.5 0.61 lb 11
1986-08-11 Standard trap nets 30.2 (above normal) 1.3 – 9.8 0.58 lb 181
2003-08-18 Standard gill nets 3.4 (normal) 1.0 – 10.5 0.87 lb 31
2003-08-18 Standard trap nets 3.1 (normal) 1.3 – 9.8 0.90 lb 22
2007-08-20 Standard gill nets 0.9 (below normal) 1.0 – 10.5 0.69 lb 8
2007-08-20 Standard trap nets 2.3 (normal) 1.3 – 9.8 0.89 lb 16

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 4.5 (normal) 3.5 – 10.5 1.57 lb 18
1990-08-14 Standard trap nets 0.2 0.90 lb 1
2014-08-04 Standard gill nets 3.3 (below normal) 3.5 – 10.5 1.76 lb 30
2014-08-04 Standard trap nets 0.6 1.44 lb 5
1982-08-09 Standard gill nets 1.8 (below normal) 3.5 – 10.5 1.78 lb 9
1982-08-09 Standard trap nets 0.3 1.50 lb 2
1986-08-11 Standard gill nets 3.3 (below normal) 3.5 – 10.5 1.77 lb 20
1986-08-11 Standard trap nets 0.3 1.10 lb 2
2003-08-18 Standard gill nets 3.6 (normal) 3.5 – 10.5 1.82 lb 32
2003-08-18 Standard trap nets 1.3 1.20 lb 9
2007-08-20 Standard gill nets 1.9 (below normal) 3.5 – 10.5 1.28 lb 17
2007-08-20 Standard trap nets 0.1 0.79 lb 1

Common Carp

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard trap nets 0.3 (normal) 0.2 – 0.6 4.65 lb 2
2014-08-04 Standard trap nets 0.3 (normal) 0.2 – 0.6 11.01 lb 2
1982-08-09 Standard gill nets 0.2 (normal) 0.2 – 1.5 0.50 lb 1
1982-08-09 Standard trap nets 0.7 (above normal) 0.2 – 0.6 3.12 lb 4
1986-08-11 Standard gill nets 0.3 (normal) 0.2 – 1.5 7.45 lb 2
1986-08-11 Standard trap nets 0.7 (above normal) 0.2 – 0.6 5.30 lb 4
2003-08-18 Standard gill nets 0.1 (below normal) 0.2 – 1.5 7.33 lb 1
2003-08-18 Standard trap nets 0.9 (above normal) 0.2 – 0.6 11.22 lb 6
2007-08-20 Standard gill nets 0.1 (below normal) 0.2 – 1.5 15.76 lb 1

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard trap nets 0.2 (below normal) 0.5 – 1.8 0.70 lb 1
2014-08-04 Standard trap nets 0.5 (normal) 0.5 – 1.8 0.70 lb 4
2003-08-18 Standard trap nets 0.3 (below normal) 0.5 – 1.8 0.07 lb 2
2007-08-20 Standard trap nets 0.1 (below normal) 0.5 – 1.8 0.64 lb 1

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 6.0 (above normal) 1.3 – 5.0 1.75 lb 24
1990-08-14 Standard trap nets 0.7 (normal) 0.3 – 0.7 0.55 lb 4
2014-08-04 Standard gill nets 1.3 (normal) 1.3 – 5.0 0.99 lb 12
2014-08-04 Standard trap nets 0.9 (above normal) 0.3 – 0.7 2.11 lb 7
1982-08-09 Standard gill nets 4.8 (normal) 1.3 – 5.0 0.74 lb 24
1982-08-09 Standard trap nets 1.2 (above normal) 0.3 – 0.7 1.19 lb 7
1986-08-11 Standard gill nets 1.2 (below normal) 1.3 – 5.0 1.07 lb 7
1986-08-11 Standard trap nets 1.3 (above normal) 0.3 – 0.7 0.88 lb 8
2003-08-18 Standard gill nets 7.8 (above normal) 1.3 – 5.0 0.97 lb 70
2003-08-18 Standard trap nets 1.3 (above normal) 0.3 – 0.7 1.01 lb 9
2007-08-20 Standard gill nets 3.0 (normal) 1.3 – 5.0 1.62 lb 27
2007-08-20 Standard trap nets 0.1 (below normal) 0.3 – 0.7 1.42 lb 1

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard trap nets 0.3 0.65 lb 2
2014-08-04 Standard trap nets 0.1 0.18 lb 1
1982-08-09 Standard trap nets 0.2 0.50 lb 1
1986-08-11 Standard gill nets 0.2 0.70 lb 1
1986-08-11 Standard trap nets 2.5 0.27 lb 15
2003-08-18 Standard trap nets 0.6 0.35 lb 4
2007-08-20 Standard trap nets 0.1 0.58 lb 1

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 0.5 (normal) 0.3 – 1.7 0.50 lb 2
1990-08-14 Standard trap nets 1.3 (above normal) 0.3 – 1.3 0.66 lb 8
2014-08-04 Standard gill nets 0.1 (below normal) 0.3 – 1.7 1.46 lb 1
2014-08-04 Standard trap nets 0.1 (below normal) 0.3 – 1.3 1.02 lb 1
1982-08-09 Standard trap nets 0.3 (normal) 0.3 – 1.3 0.65 lb 2
1986-08-11 Standard trap nets 1.2 (normal) 0.3 – 1.3 1.00 lb 7
2003-08-18 Standard gill nets 0.4 (normal) 0.3 – 1.7 0.86 lb 4
2003-08-18 Standard trap nets 0.1 (below normal) 0.3 – 1.3 3.53 lb 1
2007-08-20 Standard electrofishing 70.8 1.52 lb 35

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 1.3 0.16 lb 5
1990-08-14 Standard trap nets 13.7 (normal) 6.1 – 46.6 0.33 lb 82
2014-08-04 Standard gill nets 0.3 0.49 lb 3
2014-08-04 Standard trap nets 8.8 (normal) 6.1 – 46.6 0.31 lb 70
1982-08-09 Standard trap nets 3.8 (below normal) 6.1 – 46.6 0.30 lb 23
1986-08-11 Standard trap nets 9.7 (normal) 6.1 – 46.6 0.27 lb 58
2003-08-18 Standard gill nets 1.4 0.21 lb 13
2003-08-18 Standard trap nets 7.4 (normal) 6.1 – 46.6 0.33 lb 52
2007-08-20 Standard gill nets 0.2 0.29 lb 2
2007-08-20 Standard trap nets 9.9 (normal) 6.1 – 46.6 0.32 lb 69

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 1.8 0.36 lb 7
1990-08-14 Standard trap nets 3.5 (normal) 2.0 – 8.5 0.32 lb 21
2014-08-04 Standard trap nets 2.4 (normal) 2.0 – 8.5 0.30 lb 19
1982-08-09 Standard gill nets 0.2 0.20 lb 1
1982-08-09 Standard trap nets 3.0 (normal) 2.0 – 8.5 0.16 lb 18
1986-08-11 Standard gill nets 0.8 0.32 lb 5
1986-08-11 Standard trap nets 6.3 (normal) 2.0 – 8.5 0.23 lb 38
2003-08-18 Standard gill nets 1.9 0.24 lb 17
2003-08-18 Standard trap nets 3.4 (normal) 2.0 – 8.5 0.29 lb 24
2007-08-20 Standard gill nets 0.3 0.24 lb 3
2007-08-20 Standard trap nets 1.9 (below normal) 2.0 – 8.5 0.25 lb 13

Tullibee (Cisco)

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 1.0 (normal) 0.5 – 4.8 2.20 lb 4
1982-08-09 Standard gill nets 1.2 (normal) 0.5 – 4.8 2.33 lb 6
1986-08-11 Standard gill nets 2.2 (normal) 0.5 – 4.8 1.34 lb 13
2003-08-18 Standard gill nets 2.1 (normal) 0.5 – 4.8 1.62 lb 19
2007-08-20 Standard gill nets 0.3 (below normal) 0.5 – 4.8 1.39 lb 3

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 1.3 (normal) 0.5 – 2.7 2.40 lb 5
1990-08-14 Standard trap nets 0.2 (below normal) 0.3 – 1.4 2.00 lb 1
2014-08-04 Standard gill nets 1.2 (normal) 0.5 – 2.7 2.31 lb 11
2014-08-04 Standard trap nets 1.4 (normal) 0.3 – 1.4 2.86 lb 11
1982-08-09 Standard gill nets 0.6 (normal) 0.5 – 2.7 2.33 lb 3
1982-08-09 Standard trap nets 1.5 (above normal) 0.3 – 1.4 2.61 lb 9
1986-08-11 Standard gill nets 0.8 (normal) 0.5 – 2.7 1.80 lb 5
1986-08-11 Standard trap nets 0.8 (normal) 0.3 – 1.4 2.28 lb 5
2003-08-18 Standard gill nets 2.6 (normal) 0.5 – 2.7 2.08 lb 23
2003-08-18 Standard trap nets 0.6 (normal) 0.3 – 1.4 2.78 lb 4
2007-08-20 Standard gill nets 1.0 (normal) 0.5 – 2.7 2.06 lb 9
2007-08-20 Standard trap nets 0.1 (below normal) 0.3 – 1.4 3.20 lb 1

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 3.3 (normal) 0.6 – 3.5 0.20 lb 13
1990-08-14 Standard trap nets 5.5 (above normal) 0.7 – 3.4 0.30 lb 33
2014-08-04 Standard gill nets 0.2 (below normal) 0.6 – 3.5 0.30 lb 2
2014-08-04 Standard trap nets 1.3 (normal) 0.7 – 3.4 0.48 lb 10
1982-08-09 Standard trap nets 0.5 (below normal) 0.7 – 3.4 1.30 lb 3
1986-08-11 Standard trap nets 0.5 (below normal) 0.7 – 3.4 0.63 lb 3
2003-08-18 Standard gill nets 0.3 (below normal) 0.6 – 3.5 0.43 lb 3
2003-08-18 Standard trap nets 2.6 (normal) 0.7 – 3.4 0.54 lb 18
2007-08-20 Standard electrofishing 6.1 0.67 lb 3
2007-08-20 Standard gill nets 0.1 (below normal) 0.6 – 3.5 0.84 lb 1
2007-08-20 Standard trap nets 0.3 (below normal) 0.7 – 3.4 0.70 lb 2

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard gill nets 3.5 (normal) 0.8 – 7.7 1.34 lb 14
2014-08-04 Standard trap nets 0.1 (below normal) 0.3 – 3.2 0.40 lb 1
2014-08-04 Standard gill nets 3.0 (normal) 0.8 – 7.7 0.39 lb 27
1982-08-09 Standard trap nets 11.2 (above normal) 0.3 – 3.2 0.31 lb 67
1982-08-09 Standard gill nets 32.8 (above normal) 0.8 – 7.7 0.33 lb 164
1986-08-11 Standard trap nets 0.7 (normal) 0.3 – 3.2 0.53 lb 4
1986-08-11 Standard gill nets 22.0 (above normal) 0.8 – 7.7 0.54 lb 132
2003-08-18 Standard trap nets 0.4 (normal) 0.3 – 3.2 0.83 lb 3
2003-08-18 Standard gill nets 0.7 (below normal) 0.8 – 7.7 0.75 lb 6
2007-08-20 Standard gill nets 1.4 (normal) 0.8 – 7.7 0.80 lb 13

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-08-14 Standard trap nets 1.0 (normal) 0.4 – 1.3 3.17 lb 6
2014-08-04 Standard gill nets 0.1 (below normal) 0.3 – 0.6 3.58 lb 1
2014-08-04 Standard trap nets 1.1 (normal) 0.4 – 1.3 3.75 lb 9
1982-08-09 Standard trap nets 1.7 (above normal) 0.4 – 1.3 3.40 lb 10
1986-08-11 Standard trap nets 2.0 (above normal) 0.4 – 1.3 4.30 lb 12
2003-08-18 Standard gill nets 0.2 (below normal) 0.3 – 0.6 2.95 lb 2
2003-08-18 Standard trap nets 1.3 (normal) 0.4 – 1.3 3.72 lb 9
2007-08-20 Standard gill nets 0.1 (below normal) 0.3 – 0.6 2.70 lb 1
2007-08-20 Standard trap nets 0.6 (normal) 0.4 – 1.3 3.50 lb 4

RHS

Date Gear CPUE Normal Range Avg Weight Total Catch
1986-08-11 Standard trap nets 0.2 1.50 lb 1

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Fish Species

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

Black BullheadBlack CrappieBluegillBowfinBrown BullheadCommon CarpHybrid SunfishLargemouth BassNorthern PikePumpkinseedRHSRock BassTullibee (Cisco)WalleyeWhite 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.