Black Brook Flowage

Black Brook Flowage

Size
68ac
Boat Launch
Yes
Carry-in Launch
Yes
Toilet
No
Boat Dock
No
Species in Black Brook Flowage
Smallmouth bass
Smallmouth bass
Muskellunge
Muskellunge
Pumpkinseed
Pumpkinseed
Largemouth bass
Largemouth bass
Crappie
Crappie
Northern pike
Northern pike
Bluegill
Bluegill
Walleye
Walleye
Perch
Perch
Rock bass
Rock bass

Overview

Black Brook Flowage Map

Fishing Regulations

Special Fishing regulations: This lake has special fishing regulations that differ from statewide or border water regulations for those species identified below and take precedence. Regulations listed below are currently in place. Visit the fishing regulations page for links to upcoming regulations for specific lakes.

Special Waterbody Regulations

  • Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted. Motor Trolling is allowed with up to 3 hooks, baits, or lures, per angler.

Special Species Regulations

  • Largemouth bass and smallmouth bass: May 3, 2025 to March 1, 2026: The minimum length limit is 14” and the daily bag limit is 5
  • Northern pike: May 3, 2025 to March 1, 2026: No minimum length limit and the daily bag limit is 5
  • Muskellunge and hybrids: May 24, 2025 to December 31, 2025: The minimum length limit is 40” and the daily bag limit is 1
  • Lake sturgeon: Closed. No fishing allowed.
  • Cisco and whitefish: Open all year: No minimum length limit and the daily bag limit is 10
  • Catfish: Open all year: No minimum length limit and the daily bag limit is 10
  • Bullheads: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Walleye, Saugers, and Hybrids: May 3, 2025 to March 1, 2026: The minimum length is 15”, but walleye, sauger, and hybrids from 20” to 24” may not be kept, and only 1 fish over 24” is allowed. The daily bag limit is 3
  • Panfish: Open all year: No minimum length limit and the daily bag limit is 25
  • Walleye: See Walleye, Sauger, and Hybrids.
  • Urban waters gamefish: This waterbody is not considered an urban water, Urban Waters Gamefish regulations do not apply.
  • Shortnose gar: See Rough Fish.
  • Sauger and hybrids: See Walleye, Sauger, and Hybrids.
  • Longnose gar: See Rough Fish.
  • Hybrid, Striped, Yellow, and White Bass: See Rock, Yellow and White Bass.
  • Flathead catfish: See Catfish.
  • Crappies: See Panfish.
  • Channel catfish: See Catfish.
  • Bowfin: See Rough Fish.
  • Bluegill: See Panfish.
  • White perch: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Trout and salmon: See Trout regulations layer.
  • Shovelnose sturgeon: Closed. No fishing allowed.
  • Ruffe: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Round goby: Open all year: The daily bag limit is 0, one may be killed and possessed for transport to a WDNR Office
  • Rough fish: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Rock, Yellow, and White Bass: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Paddlefish: Closed. No fishing allowed.
  • Smallmouth bass: See Largemouth and Smallmouth Bass.
  • Largemouth bass: See Largemouth and Smallmouth Bass.
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Fish Species

Bluegill
fish
11-19 in
Length Range
16 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
13.8504
0Statewide Range546.08064

Black Brook Flowage 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
2008
May
2021
May
Crappie
fish
11-19 in
Length Range
16 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
2.7701
0Statewide Range105.008

Black Brook Flowage 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
2008
May
2021
May
Largemouth bass
fish
11-19 in
Length Range
16 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
2.2014
0Statewide Range66.01006666666666

Black Brook Flowage 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
2008
Apr
2008
May
2021
May
Muskellunge
fish
37-48 in
Length Range
43 in
Length Range
2008
Surveyed
Abundance (CPUE)
Unknown
2008
Surveyed
NA
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
2008
Apr
Northern pike
fish
11-19 in
Length Range
16 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
2.2014
0Statewide Range16.72075

Black Brook Flowage 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
2008
Apr
2021
May
Perch
fish
11-19 in
Length Range
16 in
Length Range
2021
Surveyed
Abundance (CPUE)
Above Avg.
2021
Surveyed
Electro
Catch Method
27.7008
0Statewide Range60.3736

Black Brook Flowage 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
2008
May
2021
May
Pumpkinseed
fish
11-19 in
Length Range
16 in
Length Range
2021
Surveyed
Abundance (CPUE)
Below Avg.
2021
Surveyed
Electro
Catch Method
15.6971
0Statewide Range84.6571

Black Brook Flowage 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
2008
May
2021
May
Rock bass
fish
5-9 in
Length Range
7 in
Length Range
2008
Surveyed
Abundance (CPUE)
Unknown
2008
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
2008
May
Smallmouth bass
fish
11-19 in
Length Range
16 in
Length Range
2021
Surveyed
Abundance (CPUE)
Low
2021
Surveyed
Electro
Catch Method
2.2014
0Statewide Range47.03743333333333

Black Brook Flowage Smallmouth 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
2008
Apr
2008
May
2021
May
Trophy Potential
This lake has a history of supporting trophy sized smallmouth-bass based on past surveys.
Survey YearLargest Fish (in)
202118
Walleye
fish
37-48 in
Length Range
43 in
Length Range
2008
Surveyed
Abundance (CPUE)
Unknown
2008
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
2008
Apr