Square

Washington County, Minnesota — DOW #82004600

172 Surveys
203.05
Acres
68 ft
Max Depth
0
9
Fish Species
6
Local Guides

DNR Fish Surveys

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

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard trap nets 0.1 (below normal) 0.3 – 1.7 1.50 lb 1
1989-07-31 Standard gill nets 0.3 (normal) 0.3 – 1.9 0.60 lb 1
2012-04-09 Special trap nets 0.1 5
2003-08-04 Standard gill nets 1.3 (normal) 0.3 – 1.9 1.16 lb 8
1983-07-25 Standard trap nets 0.1 (below normal) 0.3 – 1.7 0.60 lb 1
2014-08-06 Standard gill nets 4.3 (above normal) 0.3 – 1.9 0.95 lb 17
2008-08-11 Standard gill nets 0.2 (below normal) 0.3 – 1.9 0.37 lb 1

Green Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard trap nets 0.1 (below normal) 0.6 – 2.0 0.20 lb 1
2016-08-10 50-ft beach seine 0.1 1
2003-08-04 Standard trap nets 0.6 (below normal) 0.6 – 2.0 0.10 lb 5
1983-07-25 Standard trap nets 0.9 (normal) 0.6 – 2.0 0.16 lb 14
2014-08-06 Standard trap nets 0.7 (normal) 0.6 – 2.0 0.15 lb 6
1985-07-29 Standard trap nets 0.1 (below normal) 0.6 – 2.0 0.15 lb 2
1984-07-30 Standard trap nets 0.3 (below normal) 0.6 – 2.0 0.20 lb 4
2008-08-11 Standard trap nets 0.1 (below normal) 0.6 – 2.0 0.25 lb 1

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard gill nets 7.7 (above normal) 1.0 – 6.0 0.70 lb 23
1989-07-31 Standard trap nets 1.6 (normal) 1.0 – 5.3 0.91 lb 24
2012-04-09 Special trap nets 1.9 75
2003-08-04 Standard gill nets 8.0 (above normal) 1.0 – 6.0 0.63 lb 48
2003-08-04 Standard trap nets 4.4 (normal) 1.0 – 5.3 0.67 lb 40
1983-07-25 Standard gill nets 3.0 (normal) 1.0 – 6.0 0.62 lb 9
1983-07-25 Standard trap nets 2.5 (normal) 1.0 – 5.3 0.58 lb 37
2014-08-06 Standard gill nets 10.8 (above normal) 1.0 – 6.0 0.40 lb 43
2014-08-06 Standard trap nets 3.4 (normal) 1.0 – 5.3 0.43 lb 31
1985-07-29 Standard gill nets 3.3 (normal) 1.0 – 6.0 0.81 lb 10
1985-07-29 Standard trap nets 1.5 (normal) 1.0 – 5.3 0.65 lb 23
1984-07-30 Standard gill nets 5.0 (normal) 1.0 – 6.0 0.62 lb 15
1984-07-30 Standard trap nets 7.4 (above normal) 1.0 – 5.3 0.56 lb 103
2008-08-11 Standard gill nets 8.5 (above normal) 1.0 – 6.0 0.73 lb 51
2008-08-11 Standard trap nets 1.3 (normal) 1.0 – 5.3 0.64 lb 12

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard gill nets 4.7 (normal) 2.2 – 8.7 0.55 lb 14
1989-07-31 Standard trap nets 0.5 0.56 lb 8
2012-04-09 Special trap nets 0.4 16
2003-08-04 Standard gill nets 7.5 (normal) 2.2 – 8.7 1.30 lb 45
2003-08-04 Standard trap nets 1.4 0.59 lb 13
1983-07-25 Standard gill nets 12.0 (above normal) 2.2 – 8.7 0.94 lb 36
1983-07-25 Standard trap nets 1.1 0.57 lb 17
2014-08-06 Standard gill nets 5.8 (normal) 2.2 – 8.7 2.20 lb 23
2014-08-06 Standard trap nets 1.2 0.48 lb 11
1985-07-29 Standard gill nets 6.7 (normal) 2.2 – 8.7 0.97 lb 20
1985-07-29 Standard trap nets 0.7 0.80 lb 11
1984-07-30 Standard gill nets 7.7 (normal) 2.2 – 8.7 0.63 lb 23
1984-07-30 Standard trap nets 1.3 0.51 lb 18
2008-08-11 Standard gill nets 3.8 (normal) 2.2 – 8.7 1.84 lb 23
2008-08-11 Standard trap nets 1.3 0.55 lb 12

Golden Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard gill nets 0.3 (normal) 0.3 – 0.8 0.10 lb 1
2016-08-10 50-ft beach seine 2.6 26
2003-08-04 Survey seining 7.7 23

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard gill nets 0.7 0.25 lb 2
1989-07-31 Standard trap nets 0.3 0.32 lb 5
2012-04-09 Special trap nets 0.4 0.32 lb 16
2016-08-10 50-ft beach seine 0.1 1
2003-08-04 Standard trap nets 2.4 0.24 lb 22
1983-07-25 Standard trap nets 1.4 0.25 lb 21
2014-08-06 Standard gill nets 0.5 0.24 lb 2
2014-08-06 Standard trap nets 4.0 0.31 lb 36
1985-07-29 Standard trap nets 1.2 0.21 lb 18
1985-07-29 Standard gill nets 0.7 0.07 lb 2
1984-07-30 Standard trap nets 0.9 0.21 lb 12
2008-08-11 Standard trap nets 2.7 0.28 lb 24

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard gill nets 1.3 (normal) 0.5 – 1.7 0.85 lb 4
1989-07-31 Standard trap nets 0.1 (below normal) 0.4 – 1.5 0.40 lb 2
2012-04-09 Special trap nets 0.2 0.59 lb 7
2016-08-10 50-ft beach seine 0.4 4
2003-08-04 Standard gill nets 0.8 (normal) 0.5 – 1.7 0.71 lb 5
1983-07-25 Standard gill nets 0.7 (normal) 0.5 – 1.7 6.00 lb 2
1983-07-25 Standard trap nets 0.3 (below normal) 0.4 – 1.5 0.13 lb 5
2014-08-06 Standard gill nets 0.5 (normal) 0.5 – 1.7 0.42 lb 2
1985-07-29 Standard trap nets 0.2 (below normal) 0.4 – 1.5 0.10 lb 3
1984-07-30 Standard trap nets 0.1 (below normal) 0.4 – 1.5 0.20 lb 1
2008-08-11 Survey seining 1.0 2
2008-08-11 Standard gill nets 0.5 (normal) 0.5 – 1.7 0.42 lb 3

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard gill nets 1.7 0.18 lb 5
1989-07-31 Standard trap nets 5.6 (below normal) 7.7 – 43.4 0.18 lb 84
2012-04-09 Special trap nets 4.5 0.27 lb 180
2016-08-10 Backpack electrofishing 255.0 17
2016-08-10 50-ft beach seine 38.9 389
2003-08-04 Survey seining 7.3 22
2003-08-04 Standard gill nets 2.7 0.22 lb 16
2003-08-04 Standard trap nets 17.0 (normal) 7.7 – 43.4 0.18 lb 153
1983-07-25 Standard gill nets 4.0 0.15 lb 12
1983-07-25 Standard trap nets 26.6 (normal) 7.7 – 43.4 0.14 lb 399
2014-08-06 Standard gill nets 4.3 0.28 lb 17
2014-08-06 Standard trap nets 11.6 (normal) 7.7 – 43.4 0.23 lb 104
1985-07-29 Standard trap nets 10.2 (normal) 7.7 – 43.4 0.14 lb 153
1985-07-29 Standard gill nets 3.3 0.24 lb 10
1984-07-30 Standard gill nets 4.3 0.18 lb 13
1984-07-30 Standard trap nets 16.0 (normal) 7.7 – 43.4 0.15 lb 224
2008-08-11 Survey seining 11.0 22
2008-08-11 Standard gill nets 6.7 0.31 lb 40
2008-08-11 Standard trap nets 9.2 (normal) 7.7 – 43.4 0.17 lb 83

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard gill nets 1.0 0.13 lb 3
1989-07-31 Standard trap nets 0.5 (below normal) 1.4 – 5.9 0.21 lb 8
2012-04-09 Special trap nets 0.3 0.34 lb 13
2016-08-10 50-ft beach seine 0.1 1
2003-08-04 Standard gill nets 1.7 0.16 lb 10
2003-08-04 Standard trap nets 0.9 (below normal) 1.4 – 5.9 0.20 lb 8
1983-07-25 Standard gill nets 3.0 0.17 lb 9
1983-07-25 Standard trap nets 2.6 (normal) 1.4 – 5.9 0.17 lb 39
2014-08-06 Standard gill nets 1.0 0.30 lb 4
2014-08-06 Standard trap nets 3.2 (normal) 1.4 – 5.9 0.21 lb 29
1985-07-29 Standard gill nets 2.0 0.15 lb 6
1985-07-29 Standard trap nets 1.3 (below normal) 1.4 – 5.9 0.14 lb 20
1984-07-30 Standard gill nets 0.3 0.20 lb 1
1984-07-30 Standard trap nets 2.2 (normal) 1.4 – 5.9 0.16 lb 31
2008-08-11 Standard gill nets 0.5 0.34 lb 3
2008-08-11 Standard trap nets 1.2 (below normal) 1.4 – 5.9 0.22 lb 11

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1989-07-31 Standard gill nets 1.7 (normal) 0.3 – 1.7 0.30 lb 5
1989-07-31 Standard trap nets 0.5 (below normal) 0.5 – 2.2 0.43 lb 7
2012-04-09 Special trap nets 0.3 0.40 lb 11
2003-08-04 Standard gill nets 1.0 (normal) 0.3 – 1.7 0.11 lb 6
2003-08-04 Standard trap nets 1.1 (normal) 0.5 – 2.2 0.21 lb 10
1983-07-25 Standard gill nets 1.7 (normal) 0.3 – 1.7 0.26 lb 5
1983-07-25 Standard trap nets 2.1 (normal) 0.5 – 2.2 0.31 lb 32
2014-08-06 Standard gill nets 3.0 (above normal) 0.3 – 1.7 0.29 lb 12
2014-08-06 Standard trap nets 2.3 (above normal) 0.5 – 2.2 0.36 lb 21
1985-07-29 Standard gill nets 0.7 (normal) 0.3 – 1.7 0.15 lb 2
1985-07-29 Standard trap nets 1.3 (normal) 0.5 – 2.2 0.36 lb 19
1984-07-30 Standard gill nets 0.7 (normal) 0.3 – 1.7 0.10 lb 2
1984-07-30 Standard trap nets 1.0 (normal) 0.5 – 2.2 0.26 lb 14
2008-08-11 Standard gill nets 0.5 (normal) 0.3 – 1.7 0.35 lb 3
2008-08-11 Standard trap nets 0.8 (normal) 0.5 – 2.2 0.24 lb 7

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
2012-04-09 Special trap nets 0.1 0.26 lb 4
2003-08-04 Standard trap nets 0.4 (normal) 0.4 – 2.3 0.14 lb 4
2003-08-04 Standard gill nets 1.3 (below normal) 1.5 – 13.8 0.31 lb 8
1983-07-25 Standard trap nets 0.1 (below normal) 0.4 – 2.3 0.10 lb 1
2014-08-06 Standard trap nets 0.1 (below normal) 0.4 – 2.3 0.12 lb 1
2014-08-06 Standard gill nets 1.3 (below normal) 1.5 – 13.8 0.42 lb 5
1985-07-29 Standard gill nets 0.3 (below normal) 1.5 – 13.8 0.10 lb 1
1984-07-30 Standard gill nets 0.7 (below normal) 1.5 – 13.8 0.20 lb 2
2008-08-11 Survey seining 1.0 2
2008-08-11 Standard gill nets 2.0 (normal) 1.5 – 13.8 0.43 lb 12

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2012-04-09 Special trap nets 0.1 4
1983-07-25 Standard trap nets 0.5 (normal) 0.3 – 1.0 1.01 lb 7
1983-07-25 Standard gill nets 0.7 (normal) 0.3 – 1.8 0.70 lb 2
2014-08-06 Standard trap nets 0.9 (normal) 0.3 – 1.0 0.80 lb 8
2014-08-06 Standard gill nets 5.3 (above normal) 0.3 – 1.8 0.63 lb 21
1985-07-29 Standard gill nets 0.7 (normal) 0.3 – 1.8 1.35 lb 2
1984-07-30 Standard trap nets 0.3 (below normal) 0.3 – 1.0 0.93 lb 4
1984-07-30 Standard gill nets 3.0 (above normal) 0.3 – 1.8 0.86 lb 9
2008-08-11 Standard gill nets 0.8 (normal) 0.3 – 1.8 0.96 lb 5

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
2012-04-09 Special trap nets 0.0 1
1984-07-30 Standard gill nets 0.3 (below normal) 0.5 – 2.0 5.20 lb 1
2008-08-11 Standard gill nets 0.2 (below normal) 0.5 – 2.0 2.89 lb 1

Rainbow Trout

Date Gear CPUE Normal Range Avg Weight Total Catch
2012-04-09 Special trap nets 0.1 2.59 lb 2
1984-07-30 Standard gill nets 0.7 1.95 lb 2
2008-08-11 Standard gill nets 1.2 0.87 lb 7
2011-11-07 Special trap nets 0.3 21

CNM

Date Gear CPUE Normal Range Total Catch
2016-08-10 Backpack electrofishing 60.0 4
2016-08-10 50-ft beach seine 0.1 1

SFS

Date Gear CPUE Normal Range Total Catch
2016-08-10 Backpack electrofishing 1170.0 78
2016-08-10 50-ft beach seine 62.9 629

BNS

Date Gear CPUE Normal Range Total Catch
2016-08-10 50-ft beach seine 7.9 79
2016-08-10 Backpack electrofishing 15.0 1
2003-08-04 Survey seining 0.3 1
2008-08-11 Survey seining 1.5 3

Johnny Darter

Date Gear CPUE Normal Range Total Catch
2016-08-10 Backpack electrofishing 60.0 4
2016-08-10 50-ft beach seine 0.7 7
2008-08-11 Survey seining 1.0 2

Bluntnose Minnow

Date Gear CPUE Normal Range Total Catch
2016-08-10 50-ft beach seine 67.2 672
2016-08-10 Backpack electrofishing 1530.0 102
2003-08-04 Survey seining 1.7 5
2008-08-11 Survey seining 13.5 27

BCS

Date Gear CPUE Normal Range Total Catch
2016-08-10 50-ft beach seine 3.2 32
2008-08-11 Survey seining 2.5 5

BKF

Date Gear CPUE Normal Range Total Catch
2016-08-10 50-ft beach seine 6.8 68
2016-08-10 Backpack electrofishing 15.0 1
2003-08-04 Survey seining 0.7 2
2008-08-11 Survey seining 2.0 4

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2016-08-10 50-ft beach seine 0.2 2
2016-08-10 Backpack electrofishing 225.0 15

Common Shiner

Date Gear CPUE Normal Range Total Catch
2008-08-11 Survey seining 4.5 9

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Fish Species

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

BluegillGreen SunfishHybrid SunfishLargemouth BassNorthern PikePumpkinseedWhite 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.