Minnesota Fishing Guide

Union

Polk County, Minnesota — DOW #60021700

218 Surveys

Invasive Species Alert

Union has confirmed populations of:

Clean, drain, and dry all equipment before moving to another water body. It's the law in Minnesota.

887.46
Acres
83 ft
Max Depth
0
12
Fish Species
3
Local Guides

DNR Fish Surveys

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

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard trap nets 0.1 (below normal) 0.3 – 2.8 1.10 lb 1
1960-08-02 Standard gill nets 0.7 (normal) 0.6 – 9.5 1.56 lb 8
2017-07-31 Standard gill nets 0.3 (below normal) 0.6 – 9.5 0.58 lb 3
2022-08-01 Standard trap nets 0.2 (below normal) 0.3 – 2.8 1.13 lb 2
2022-08-01 Standard gill nets 0.2 (below normal) 0.6 – 9.5 1.34 lb 2

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard trap nets 0.2 (below normal) 0.3 – 1.5 1.40 lb 3
1960-08-02 Standard gill nets 0.5 (normal) 0.3 – 2.2 1.42 lb 6
1992-07-27 Standard gill nets 0.5 (normal) 0.3 – 2.2 1.50 lb 4
1997-07-28 Standard trap nets 0.7 (normal) 0.3 – 1.5 1.60 lb 10
1997-07-28 Standard gill nets 0.4 (normal) 0.3 – 2.2 2.08 lb 3
1976-07-19 Standard trap nets 0.2 (below normal) 0.3 – 1.5 1.15 lb 2
2002-07-29 Standard trap nets 8.0 (above normal) 0.3 – 1.5 0.61 lb 96
2002-07-29 Standard gill nets 0.5 (normal) 0.3 – 2.2 0.81 lb 6
2012-07-30 Standard gill nets 0.2 (below normal) 0.3 – 2.2 0.91 lb 2
2012-07-30 Standard trap nets 1.7 (above normal) 0.3 – 1.5 0.87 lb 20
1987-07-27 Standard trap nets 2.8 (above normal) 0.3 – 1.5 0.70 lb 39
2017-07-31 Standard trap nets 0.7 (normal) 0.3 – 1.5 1.44 lb 8
2017-07-31 Standard gill nets 1.2 (normal) 0.3 – 2.2 0.97 lb 11
2022-08-01 Standard gill nets 0.1 (below normal) 0.3 – 2.2 1.34 lb 1

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard trap nets 1.1 (normal) 0.5 – 2.7 0.31 lb 19
1960-08-02 Standard gill nets 29.7 (above normal) 2.5 – 24.2 0.14 lb 356
1992-07-27 Standard trap nets 6.2 (above normal) 0.5 – 2.7 0.12 lb 87
1992-07-27 Standard gill nets 46.4 (above normal) 2.5 – 24.2 0.16 lb 371
1997-07-28 Standard trap nets 3.1 (above normal) 0.5 – 2.7 0.20 lb 43
1997-07-28 Standard gill nets 67.3 (above normal) 2.5 – 24.2 0.11 lb 538
2018-08-14 Backpack electrofishing 1.8 — — 2
2018-08-14 50-ft beach seine 1.0 — — 6
2018-08-14 15-ft beach seine 2.2 — — 11
1976-07-19 Standard trap nets 0.9 (normal) 0.5 – 2.7 0.40 lb 11
1976-07-19 Standard gill nets 10.7 (normal) 2.5 – 24.2 0.10 lb 64
2002-07-29 Standard trap nets 0.8 (normal) 0.5 – 2.7 0.06 lb 10
2002-07-29 Standard gill nets 0.6 (below normal) 2.5 – 24.2 0.09 lb 7
2012-07-30 50-ft beach seine 9.0 — — 36
2012-07-30 15-ft beach seine 0.8 — — 3
2012-07-30 Standard gill nets 3.1 (normal) 2.5 – 24.2 0.11 lb 28
2012-07-30 Standard trap nets 0.8 (normal) 0.5 – 2.7 0.13 lb 9
1987-07-27 Standard trap nets 1.6 (normal) 0.5 – 2.7 0.12 lb 23
1987-07-27 Standard gill nets 28.5 (above normal) 2.5 – 24.2 0.17 lb 228
2017-07-31 Standard trap nets 6.5 (above normal) 0.5 – 2.7 — 72
2017-07-31 Standard gill nets 9.1 (normal) 2.5 – 24.2 0.11 lb 82
2022-08-01 Standard trap nets 0.1 (below normal) 0.5 – 2.7 0.09 lb 1
2022-08-01 Standard gill nets 4.1 (normal) 2.5 – 24.2 0.08 lb 37

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard gill nets 4.6 (normal) 3.1 – 8.5 2.30 lb 55
1960-08-02 Standard trap nets 0.2 — 1.10 lb 4
1992-07-27 Standard gill nets 2.9 (below normal) 3.1 – 8.5 3.30 lb 23
1992-07-27 Standard trap nets 0.1 — 1.00 lb 1
1997-07-28 Standard gill nets 10.9 (above normal) 3.1 – 8.5 2.92 lb 87
1997-07-28 Standard trap nets 0.3 — 1.43 lb 4
1976-07-19 Standard gill nets 5.0 (normal) 3.1 – 8.5 1.97 lb 30
1976-07-19 Standard trap nets 0.1 — 0.75 lb 1
2002-07-29 Standard gill nets 2.3 (below normal) 3.1 – 8.5 2.66 lb 28
2002-07-29 Standard trap nets 0.9 — 2.24 lb 11
2012-07-30 Standard gill nets 5.3 (normal) 3.1 – 8.5 2.42 lb 48
2012-07-30 Standard trap nets 1.1 — 1.99 lb 13
1987-07-27 Standard gill nets 8.1 (normal) 3.1 – 8.5 2.48 lb 65
1987-07-27 Standard trap nets 0.5 — 1.26 lb 7
2017-07-31 Standard gill nets 10.7 (above normal) 3.1 – 8.5 2.60 lb 96
2017-07-31 Standard trap nets 0.6 — 2.48 lb 6
2022-08-01 Standard gill nets 11.9 (above normal) 3.1 – 8.5 2.35 lb 107
2022-08-01 Standard trap nets 1.0 — 2.49 lb 12

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard gill nets 0.1 — 0.40 lb 1
1960-08-02 Standard trap nets 0.1 — 0.45 lb 2
1992-07-27 Standard trap nets 0.7 — 0.26 lb 10
1997-07-28 Standard trap nets 0.1 — 0.27 lb 1
2012-07-30 Standard trap nets 0.1 — 0.13 lb 1
2012-07-30 50-ft beach seine 0.5 — — 2
2012-07-30 15-ft beach seine 0.3 — — 1
1987-07-27 Standard trap nets 0.4 — 0.36 lb 5
2017-07-31 Standard trap nets 0.3 — 0.44 lb 3

Common Carp

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard trap nets 0.1 (below normal) 0.2 – 1.1 5.00 lb 1
1997-07-28 Standard gill nets 0.9 (normal) 0.2 – 1.7 4.22 lb 7
1997-07-28 Standard trap nets 1.1 (above normal) 0.2 – 1.1 4.87 lb 16
2002-07-29 Standard gill nets 1.1 (normal) 0.2 – 1.7 3.62 lb 13
2002-07-29 Standard trap nets 0.5 (normal) 0.2 – 1.1 4.23 lb 6
2012-07-30 15-ft beach seine 1.3 — — 5
2012-07-30 Standard gill nets 0.7 (normal) 0.2 – 1.7 6.86 lb 6
2012-07-30 Backpack electrofishing 3.5 — — 4
2012-07-30 Standard trap nets 0.2 (below normal) 0.2 – 1.1 3.66 lb 2
1987-07-27 Standard trap nets 0.6 (normal) 0.2 – 1.1 7.28 lb 9
2017-07-31 Standard gill nets 1.0 (normal) 0.2 – 1.7 3.03 lb 9
2017-07-31 Standard trap nets 0.2 (below normal) 0.2 – 1.1 6.28 lb 2
2022-08-01 Standard gill nets 4.1 (above normal) 0.2 – 1.7 1.75 lb 37
2022-08-01 Standard trap nets 0.2 (below normal) 0.2 – 1.1 3.73 lb 2

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard gill nets 2.3 (normal) 1.3 – 5.5 3.17 lb 27
1992-07-27 Standard gill nets 4.6 (normal) 1.3 – 5.5 2.17 lb 37
1992-07-27 Standard trap nets 0.1 (below normal) 0.2 – 0.7 5.00 lb 1
1997-07-28 Standard gill nets 8.6 (above normal) 1.3 – 5.5 1.80 lb 69
1997-07-28 Standard trap nets 0.1 (below normal) 0.2 – 0.7 1.24 lb 2
1976-07-19 Standard gill nets 2.7 (normal) 1.3 – 5.5 1.73 lb 16
2002-07-29 Standard gill nets 6.5 (above normal) 1.3 – 5.5 1.59 lb 78
2002-07-29 Standard trap nets 0.6 (normal) 0.2 – 0.7 2.88 lb 7
2012-07-30 Standard gill nets 16.1 (above normal) 1.3 – 5.5 1.42 lb 145
2012-07-30 Standard trap nets 0.2 (below normal) 0.2 – 0.7 3.97 lb 2
1987-07-27 Standard gill nets 7.0 (above normal) 1.3 – 5.5 1.05 lb 56
1987-07-27 Standard trap nets 0.1 (below normal) 0.2 – 0.7 0.40 lb 2
2017-07-31 Standard gill nets 8.9 (above normal) 1.3 – 5.5 2.33 lb 80
2017-07-31 Standard trap nets 0.6 (normal) 0.2 – 0.7 3.66 lb 6
2022-08-01 Standard gill nets 6.3 (above normal) 1.3 – 5.5 3.08 lb 57
2022-08-01 Standard trap nets 0.6 (normal) 0.2 – 0.7 2.25 lb 7

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard gill nets 1.6 (above normal) 0.3 – 1.2 0.17 lb 19
1960-08-02 Standard trap nets 0.2 (below normal) 0.3 – 1.1 0.12 lb 4
1992-07-27 Standard trap nets 0.4 (normal) 0.3 – 1.1 0.06 lb 5
1992-07-27 Standard gill nets 0.9 (normal) 0.3 – 1.2 0.79 lb 7
1997-07-28 Standard gill nets 0.4 (normal) 0.3 – 1.2 1.36 lb 3
1997-07-28 Standard trap nets 0.1 (below normal) 0.3 – 1.1 0.19 lb 1
2018-08-14 Backpack electrofishing 12.5 — — 14
2018-08-14 50-ft beach seine 3.0 — — 18
2018-08-14 15-ft beach seine 6.2 — — 31
1976-07-19 Standard gill nets 0.5 (normal) 0.3 – 1.2 1.00 lb 3
2002-07-29 Standard gill nets 0.1 (below normal) 0.3 – 1.2 1.13 lb 1
2002-07-29 Standard trap nets 0.4 (normal) 0.3 – 1.1 0.11 lb 5
2012-07-30 50-ft beach seine 10.0 — — 40
2012-07-30 Standard electrofishing 27.8 — 1.02 lb 25
2012-07-30 15-ft beach seine 4.0 — — 16
2012-07-30 Standard gill nets 1.6 (above normal) 0.3 – 1.2 0.96 lb 14
2012-07-30 Backpack electrofishing 8.7 — — 10
2012-07-30 Standard trap nets 0.3 (below normal) 0.3 – 1.1 0.44 lb 3
1987-07-27 Standard gill nets 1.0 (normal) 0.3 – 1.2 0.28 lb 8
1987-07-27 Standard trap nets 0.4 (normal) 0.3 – 1.1 0.12 lb 5
2017-07-31 Standard gill nets 1.2 (above normal) 0.3 – 1.2 1.01 lb 11
2022-08-01 Standard gill nets 1.8 (above normal) 0.3 – 1.2 0.99 lb 16

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard gill nets 24.2 — 0.14 lb 290
1960-08-02 Standard trap nets 36.7 (normal) 5.6 – 42.3 0.20 lb 661
1992-07-27 Standard trap nets 81.9 (above normal) 5.6 – 42.3 0.09 lb 1146
1992-07-27 Standard gill nets 34.9 — 0.25 lb 279
1997-07-28 Standard gill nets 11.1 — 0.22 lb 89
1997-07-28 Standard trap nets 34.8 (normal) 5.6 – 42.3 0.11 lb 487
2018-08-14 Backpack electrofishing 10.7 — — 12
2018-08-14 50-ft beach seine 31.0 — — 186
2018-08-14 15-ft beach seine 21.2 — — 106
1976-07-19 Standard trap nets 44.8 (above normal) 5.6 – 42.3 0.19 lb 537
2002-07-29 Standard gill nets 1.7 — 0.41 lb 20
2002-07-29 Standard trap nets 6.6 (normal) 5.6 – 42.3 0.24 lb 79
2012-07-30 Standard gill nets 5.1 — 0.15 lb 46
2012-07-30 Backpack electrofishing 0.9 — — 1
2012-07-30 Standard trap nets 12.3 (normal) 5.6 – 42.3 0.15 lb 147
2012-07-30 50-ft beach seine 25.8 — — 103
2012-07-30 15-ft beach seine 14.8 — — 59
1987-07-27 Standard gill nets 30.8 — 0.18 lb 246
1987-07-27 Standard trap nets 70.9 (above normal) 5.6 – 42.3 0.15 lb 993
2017-07-31 Standard gill nets 17.2 — 0.16 lb 155
2017-07-31 Standard trap nets 24.7 (normal) 5.6 – 42.3 0.11 lb 272
2022-08-01 Standard gill nets 36.7 — 0.25 lb 330
2022-08-01 Standard trap nets 8.3 (normal) 5.6 – 42.3 0.18 lb 100

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard gill nets 5.3 — 0.16 lb 63
1960-08-02 Standard trap nets 7.6 (normal) 1.7 – 8.2 0.21 lb 136
1992-07-27 Standard gill nets 1.8 — 0.19 lb 14
1992-07-27 Standard trap nets 5.3 (normal) 1.7 – 8.2 0.12 lb 74
1997-07-28 Standard gill nets 3.1 — 0.27 lb 25
1997-07-28 Standard trap nets 2.9 (normal) 1.7 – 8.2 0.23 lb 41
2018-08-14 15-ft beach seine 0.4 — — 2
1976-07-19 Standard trap nets 0.8 (below normal) 1.7 – 8.2 0.18 lb 9
2002-07-29 Standard gill nets 0.1 — 0.25 lb 1
2002-07-29 Standard trap nets 0.2 (below normal) 1.7 – 8.2 0.21 lb 2
2012-07-30 Standard gill nets 0.6 — 0.07 lb 5
2012-07-30 Standard trap nets 0.5 (below normal) 1.7 – 8.2 0.11 lb 6
2012-07-30 50-ft beach seine 0.3 — — 1
1987-07-27 Standard gill nets 2.5 — 0.17 lb 20
1987-07-27 Standard trap nets 3.6 (normal) 1.7 – 8.2 0.15 lb 51
2017-07-31 Standard gill nets 0.3 — 0.26 lb 3
2017-07-31 Standard trap nets 0.4 (below normal) 1.7 – 8.2 0.28 lb 4
2022-08-01 Standard gill nets 0.8 — 0.11 lb 7
2022-08-01 Standard trap nets 0.3 (below normal) 1.7 – 8.2 0.10 lb 4

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard gill nets 0.1 (below normal) 0.5 – 3.5 1.20 lb 1
1992-07-27 Standard gill nets 0.3 (below normal) 0.5 – 3.5 2.38 lb 2
1997-07-28 Standard gill nets 9.9 (above normal) 0.5 – 3.5 1.63 lb 79
1997-07-28 Standard trap nets 0.1 (below normal) 0.2 – 1.0 0.35 lb 1
1976-07-19 Standard gill nets 0.2 (below normal) 0.5 – 3.5 3.00 lb 1
2002-07-29 Standard gill nets 3.3 (normal) 0.5 – 3.5 2.09 lb 40
2002-07-29 Standard trap nets 0.5 (normal) 0.2 – 1.0 2.02 lb 6
2012-07-30 Standard trap nets 1.3 (above normal) 0.2 – 1.0 1.99 lb 16
2012-07-30 Standard gill nets 1.8 (normal) 0.5 – 3.5 1.72 lb 16
1987-07-27 Standard gill nets 0.1 (below normal) 0.5 – 3.5 2.20 lb 1
2017-07-31 Standard gill nets 0.9 (normal) 0.5 – 3.5 2.29 lb 8
2017-07-31 Standard trap nets 0.1 (below normal) 0.2 – 1.0 2.27 lb 1
2022-08-01 Standard gill nets 0.4 (below normal) 0.5 – 3.5 3.01 lb 4
2022-08-01 Standard trap nets 0.1 (below normal) 0.2 – 1.0 4.20 lb 1

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1960-08-02 Standard gill nets 2.2 (normal) 0.5 – 2.7 0.61 lb 26
1960-08-02 Standard trap nets 1.0 (normal) 0.7 – 3.2 0.49 lb 18
1992-07-27 Standard gill nets 0.6 (normal) 0.5 – 2.7 0.44 lb 5
1992-07-27 Standard trap nets 1.5 (normal) 0.7 – 3.2 0.19 lb 21
1997-07-28 Standard gill nets 1.9 (normal) 0.5 – 2.7 0.26 lb 15
1997-07-28 Standard trap nets 3.8 (above normal) 0.7 – 3.2 0.36 lb 53
1976-07-19 Standard gill nets 1.0 (normal) 0.5 – 2.7 0.47 lb 6
1976-07-19 Standard trap nets 0.8 (normal) 0.7 – 3.2 0.43 lb 10
2002-07-29 Standard gill nets 0.5 (normal) 0.5 – 2.7 0.13 lb 6
2002-07-29 Standard trap nets 0.8 (normal) 0.7 – 3.2 0.37 lb 10
2012-07-30 Standard gill nets 2.1 (normal) 0.5 – 2.7 0.22 lb 19
2012-07-30 Backpack electrofishing 0.9 — — 1
2012-07-30 Standard trap nets 2.1 (normal) 0.7 – 3.2 0.37 lb 25
2012-07-30 50-ft beach seine 2.0 — — 8
2012-07-30 Standard electrofishing 24.4 — 0.51 lb 22
1987-07-27 Standard gill nets 1.0 (normal) 0.5 – 2.7 0.29 lb 8
1987-07-27 Standard trap nets 5.4 (above normal) 0.7 – 3.2 0.28 lb 76
2017-07-31 Standard gill nets 5.4 (above normal) 0.5 – 2.7 0.27 lb 49
2017-07-31 Standard trap nets 2.9 (normal) 0.7 – 3.2 0.35 lb 32
2022-08-01 Standard gill nets 5.2 (above normal) 0.5 – 2.7 0.24 lb 47
2022-08-01 Standard trap nets 3.6 (above normal) 0.7 – 3.2 0.34 lb 43

Iowa Darter

Date Gear CPUE Normal Range Total Catch
2018-08-14 Backpack electrofishing 3.6 — 4
2018-08-14 15-ft beach seine 0.2 — 1
2012-07-30 15-ft beach seine 5.5 — 22
2012-07-30 Backpack electrofishing 13.1 — 15
2012-07-30 50-ft beach seine 2.3 — 9

Spottail Shiner

Date Gear CPUE Normal Range Total Catch
2018-08-14 Backpack electrofishing 6.3 — 7
2018-08-14 50-ft beach seine 2.5 — 15
2018-08-14 15-ft beach seine 13.0 — 65
2012-07-30 Backpack electrofishing 0.9 — 1
2012-07-30 50-ft beach seine 31.8 — 127

Tadpole Madtom

Date Gear CPUE Normal Range Total Catch
2018-08-14 Backpack electrofishing 0.9 — 1
2012-07-30 15-ft beach seine 0.3 — 1
2012-07-30 Backpack electrofishing 3.5 — 4

CNM

Date Gear CPUE Normal Range Total Catch
2018-08-14 Backpack electrofishing 0.9 — 1
2012-07-30 Backpack electrofishing 18.3 — 21

Sunfish

Date Gear CPUE Normal Range Total Catch
2012-07-30 50-ft beach seine 1.8 — 7
2012-07-30 15-ft beach seine 0.3 — 1

Bluntnose Minnow

Date Gear CPUE Normal Range Total Catch
2012-07-30 Backpack electrofishing 0.9 — 1

Green Sunfish

Date Gear CPUE Normal Range Total Catch
2012-07-30 50-ft beach seine 0.8 — 3

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1987-07-27 Standard trap nets 0.1 (below normal) 0.6 – 2.5 0.60 lb 1

Depth Maps & Lake Info

View on MN DNR LakeFinder

Map & Directions

Get Directions

Showing 12 nearby bait & tackle shops on the map.

Nearby Bait & Tackle

Ampride

Crookston, MN

(218) 281-7929

★ 4.2

Best Buy Liquors

Crookston, MN

(218) 281-4112

★ 4.4

Ceason's Bait & Tackle

Crookston, MN

(218) 281-6665

★ 4.8

Crookston Floral

Crookston, MN

(218) 281-3549

★ 4.6

Erickson Embroidery

Crookston, MN

(218) 281-2801

★ 4.9

I C Muggs

Crookston, MN

(218) 281-7643

★ 4.4

Local Ace Crookston

Crookston, MN

(218) 281-1749

★ 4.4

Nearby Marinas

Harlan's Boats

Mentor, MN

(218) 637-2050

★ 5

Lafave Park

East Grand Forks, MN

★ 4.5

Red River State Recreation Area

East Grand Forks, MN

(218) 773-4950

★ 4.5

Stor-All

Crookston, MN

(218) 281-4593

★ 4.5

Ziegler Rental Crookston

Crookston, MN

(800) 422-5784

Resorts & Lodges Near Union

Plan your stay — fishing resorts and lodges near Union.

Summer Sands Lake Club
Fishing Resort Erskine
2Annes Lakeside RV Park
Fishing Resort Erskine

(218) 521-0688
Lake Cameron RV Park and Campground
Fishing Resort Erskine

(218) 521-0688
Crookston Inn & Convention Center
Fishing Resort Crookston

(218) 470-1000

View all 888 Minnesota resorts →

Fish Species

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

Black BullheadBlack CrappieBluegillBrown BullheadCommon CarpHybrid SunfishLargemouth BassNorthern PikePumpkinseedWalleyeWhite SuckerYellow Perch

Fishing Guides Near Union

angle andy
Fishing Guide

(763) 229-7957
Bass Pro Shops
Fishing Guide

(218) 773-0282
Spittin' Carnage Guide Service
Fishing Guide

(612) 227-4664

Other Lakes in Polk County

Badger

255.67 acres

Cable

193.51 acres

Cameron

224.83 acres

Cross

319.8 acres

Crystal

118.39 acres

Hill River

102.07 acres

Plan Your Trip to Union

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