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
Crappie
Crappie
Largemouth bass
Largemouth bass
Northern pike
Northern pike
Perch
Perch
Pumpkinseed
Pumpkinseed
Rock bass
Rock bass
Smallmouth bass
Smallmouth bass
Walleye
Walleye

O'Brien Lake Overview

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Fish Species

Bluegill
fish
2-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Unknown
2019
Surveyed
Trapnet
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
Crappie
fish
5-11 in
Length Range
9 in
Length Range
2019
Surveyed
Abundance (CPUE)
Unknown
2019
Surveyed
Trapnet
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
Largemouth bass
fish
8-19 in
Length Range
13 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
10-31 in
Length Range
18 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
6-9 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
3-9 in
Length Range
7 in
Length Range
2019
Surveyed
Abundance (CPUE)
Unknown
2019
Surveyed
Trapnet
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
Rock bass
fish
5-10 in
Length Range
8 in
Length Range
2019
Surveyed
Abundance (CPUE)
Unknown
2019
Surveyed
Trapnet
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
2012
Jun
2019
Jun
Smallmouth bass
fish
No survey data
Abundance (CPUE)
No survey 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
17-26 in
Length Range
22 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