Union Lake

Union Lake

Size
875ac
Boat Launch
Yes
Carry-in Launch
Yes
Toilet
Yes
Boat Dock
Yes
Species in Union Lake
Walleye
Walleye
Bluegill
Bluegill
Largemouth bass
Largemouth bass
Crappie
Crappie
Northern pike
Northern pike
Perch
Perch
Pumpkinseed
Pumpkinseed
Rock bass
Rock bass

Overview

Union Lake Map

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Fish Species

Bluegill
fish
8-31 in
Length Range
19 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Trapnet
Catch Method
8.3333
0Statewide Range74.0278

Union Lake Bluegill abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2017
Jul
2022
Aug
Crappie
fish
8-31 in
Length Range
19 in
Length Range
2022
Surveyed
Abundance (CPUE)
High
2022
Surveyed
Trapnet
Catch Method
3.5833
0Statewide Range10.4166

Union Lake Crappie abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2017
Jul
2022
Aug
Largemouth bass
fish
8-31 in
Length Range
19 in
Length Range
2022
Surveyed
Abundance (CPUE)
High
2022
Surveyed
Gillnet
Catch Method
1.7778
0Statewide Range3.6668

Union Lake Largemouth bass abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2017
Jul
2022
Aug
Northern pike
fish
8-31 in
Length Range
19 in
Length Range
2022
Surveyed
Abundance (CPUE)
High
2022
Surveyed
Gillnet
Catch Method
11.8889
0Statewide Range19.75

Union Lake Northern pike abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2017
Jul
2022
Aug
Perch
fish
8-31 in
Length Range
19 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Gillnet
Catch Method
4.1111
0Statewide Range43.5833

Union Lake Perch abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2017
Jul
2022
Aug
Pumpkinseed
fish
8-31 in
Length Range
19 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Trapnet
Catch Method
0.3333
0Statewide Range8.4166

Union Lake Pumpkinseed abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2017
Jul
2022
Aug
Rock bass
fish
No survey data
Abundance (CPUE)
No abundance data
Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
No Survey Data
Walleye
fish
8-31 in
Length Range
19 in
Length Range
2022
Surveyed
Abundance (CPUE)
High
2022
Surveyed
Gillnet
Catch Method
6.3333
0Statewide Range16.9168

Union Lake Walleye abundance

Average range for similar lakes

Understanding Abundance

Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.

Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.
Species Lengths
2017
Jul
2022
Aug
Trophy Potential
This lake has a history of supporting trophy sized walleye based on past surveys.
Survey YearLargest Fish (in)
202230
201728