Heinrich-martin Dam

Heinrich-martin Dam

Size
23ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Heinrich-martin Dam
Bluegill
Bluegill
Largemouth bass
Largemouth bass
Northern pike
Northern pike
Perch
Perch
Crappie
Crappie
Walleye
Walleye

Overview

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Fish Species

Bluegill
fish
3-7 in
Length Range
5 in
Length Range
2025
Surveyed
Abundance (CPUE)
Outlier
2025
Surveyed
Gillnet
Catch Method
14.5
0Statewide Range5.7125

Heinrich-martin Dam 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
2025
May
2025
Jun
Trophy Potential
This lake has a history of supporting trophy sized bluegill based on past surveys.
Survey YearLargest Fish (in)
20259
20209
20189
20169
Crappie
fish
3-7 in
Length Range
5 in
Length Range
2025
Surveyed
Abundance (CPUE)
Low
2025
Surveyed
Gillnet
Catch Method
0.5
0Statewide Range5.58415

Heinrich-martin Dam 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
2019
Jun
2025
Jun
Largemouth bass
fish
3-7 in
Length Range
5 in
Length Range
2025
Surveyed
Abundance (CPUE)
Above Avg.
2025
Surveyed
Gillnet
Catch Method
1
0Statewide Range4.25

Heinrich-martin Dam 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
2025
May
2025
Jun
Trophy Potential
This lake has a history of supporting trophy sized largemouth-bass based on past surveys.
Survey YearLargest Fish (in)
202520
202120
201820
201620
Northern pike
fish
3-7 in
Length Range
5 in
Length Range
2025
Surveyed
Abundance (CPUE)
Above Avg.
2025
Surveyed
Gillnet
Catch Method
5.5
0Statewide Range10.50505

Heinrich-martin Dam 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
2023
Jun
2025
Jun
Perch
fish
3-7 in
Length Range
5 in
Length Range
2025
Surveyed
Abundance (CPUE)
Below Avg.
2025
Surveyed
Gillnet
Catch Method
3
0Statewide Range37.51665

Heinrich-martin Dam 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
2023
Jun
2025
Jun
Walleye
fish
16-17 in
Length Range
17 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
2019
Jun