O'Brien Lake

O'Brien Lake

Size
172ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
Yes
Boat Dock
Yes
Species in O'Brien Lake
Bluegill
Bluegill
Pumpkinseed
Pumpkinseed
Rock bass
Rock bass
Walleye
Walleye
Perch
Perch
Crappie
Crappie
Largemouth bass
Largemouth bass
Smallmouth bass
Smallmouth bass
Northern pike
Northern pike

Overview

O'Brien Lake Map

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Fish Species

Bluegill
fish
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Above Avg.
2019
Surveyed
Trapnet
Catch Method
29.6667
0Statewide Range74.0278

O'Brien 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
1999
Jun
2012
Jun
2019
Jun
Trophy Potential
This lake has a history of supporting trophy sized bluegill based on past surveys.
Survey YearLargest Fish (in)
202410
Crappie
fish
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Low
2019
Surveyed
Trapnet
Catch Method
0.4444
0Statewide Range10.4166

O'Brien 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
1999
Jun
2012
Jun
2019
Jun
Largemouth bass
fish
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Unknown
2019
Surveyed
Electro
Catch Method
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
1999
Jun
2012
Jun
2019
Jun
Northern pike
fish
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Unknown
2019
Surveyed
Gillnet
Catch Method
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
1999
Jun
2012
Jun
2019
Jun
Perch
fish
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Unknown
2019
Surveyed
Gillnet
Catch Method
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
1999
Jun
2012
Jun
2019
Jun
Pumpkinseed
fish
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
High
2019
Surveyed
Trapnet
Catch Method
3.4444
0Statewide Range8.4166

O'Brien 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
1999
Jun
2012
Jun
2019
Jun
Rock bass
fish
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Above Avg.
2019
Surveyed
Trapnet
Catch Method
0.7778
0Statewide Range4.2223

O'Brien Lake Rock 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
2012
Jun
2019
Jun
Smallmouth 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
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Unknown
2019
Surveyed
Gillnet
Catch Method
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
1999
Jun
2019
Jun