Portsmouth Mine Pit Lake

Portsmouth Mine Pit Lake

Size
137ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
Yes
Boat Dock
Yes
Species in Portsmouth Mine Pit Lake
Bluegill
Bluegill
Crappie
Crappie
Largemouth bass
Largemouth bass
Northern pike
Northern pike
Perch
Perch
Pumpkinseed
Pumpkinseed
Rainbow trout
Rainbow trout
Rock bass
Rock bass

Portsmouth Mine Pit Lake Overview

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Fish Species

Bluegill
fish
2-9 in
Length Range
5 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Trapnet
Catch Method
7.11
0Statewide Range74.63

Portsmouth Mine Pit 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
Crappie
fish
7-8 in
Length Range
8 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Gillnet
Catch Method
0.17
0Statewide Range12.46

Portsmouth Mine Pit 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
Largemouth bass
fish
7-19 in
Length Range
12 in
Length Range
2022
Surveyed
Abundance (CPUE)
High
2022
Surveyed
Gillnet
Catch Method
2.17
0Statewide Range3.68

Portsmouth Mine Pit 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
Northern pike
fish
9-33 in
Length Range
19 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Gillnet
Catch Method
1.33
0Statewide Range19.6

Portsmouth Mine Pit 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
Perch
fish
6-11 in
Length Range
8 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Gillnet
Catch Method
1.17
0Statewide Range43.55

Portsmouth Mine Pit 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
Pumpkinseed
fish
4-8 in
Length Range
6 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Trapnet
Catch Method
1.22
0Statewide Range8.58

Portsmouth Mine Pit 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
Rainbow trout
fish
12-13 in
Length Range
13 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Gillnet
Catch Method
0.83
0Statewide Range18.5

Portsmouth Mine Pit Lake Rainbow trout 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
Rock bass
fish
5-11 in
Length Range
8 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Trapnet
Catch Method
1.56
0Statewide Range4.26

Portsmouth Mine Pit 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