Boom Lake
Size
365ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Boom Lake
Bluegill
Bluegill
Catfish
Catfish
Crappie
Crappie
Largemouth bass
Largemouth bass
Muskellunge
Muskellunge
Northern pike
Northern pike
Perch
Perch
Pumpkinseed
Pumpkinseed
Rock bass
Rock bass
Smallmouth bass
Smallmouth bass
Walleye
Walleye

Boom Lake Overview

Fishing Hot Spots' home water! Muskie in both quantity and quality. Nice bass, northerns and panfish, but navigate with caution, since this is a flowage. Heavy recreational use prompts low-light fishing unless you find a hot bay.

Fishing Regulations in Boom Lake

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

  • Bag limits are for fish caught in all lakes in the RHINELANDER CHAIN including BASS LAKE T37N R09E S30, RHINELANDER FLOWAGE, THUNDER LAKE
  • Catch and release fishing for largemouth and smallmouth bass is open year round unless otherwise noted.
  • Motor Trolling is allowed with 1 hook, bait, or lure per angler, and 3 hooks, baits, or lures maximum per boat.

Special Species Regulations

  • Shovelnose sturgeon: Closed: No fishing allowed.
  • Catfish: Open All Year: No minimum length limit and the daily bag limit is 10.
  • Panfish: Open All Year: No minimum length limit and the daily bag limit is 15, during may and june, but only 5 of any one species may be kept. during the remainder of the season, 25 panfish may be kept.
  • Largemouth bass and smallmouth bass: June 15, 2024 to March 2, 2025: The minimum length limit is 14” and the daily bag limit is 5.
  • Smallmouth bass: May 4, 2024 to June 14, 2024: Fish may not be harvested (catch and release only).
  • Largemouth bass: May 4, 2024 to June 14, 2024: The minimum length limit is 14” and the daily bag limit is 5.
  • Muskellunge and hybrids: May 25, 2024 to December 31, 2024: The minimum length limit is 40” and the daily bag limit is 1.
  • Northern pike: May 4, 2024 to March 2, 2025: No minimum length limit and the daily bag limit is 5.
  • Trout: See specific regulations: https://dnr.wisconsin.gov/topic/fishing/trout/.
  • Walleye, sauger, and hybrids: May 4, 2024 to March 2, 2025: 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.
  • Bullheads: Open All Year: No minimum length limit and the daily bag limit is unlimited.
  • Cisco and whitefish: Open All Year: No minimum length limit and the daily bag limit is 10.
  • Lake sturgeon: Closed: No fishing allowed.
  • Paddlefish: Closed: No fishing allowed.
  • Rock, yellow, and white bass: Open All Year: No minimum length limit and the daily bag limit is unlimited.
  • Rough fish: Open All Year: No minimum length limit and the daily bag limit is unlimited.
  • Round goby: Open All Year: The daily bag limit is 0, one may be killed and possessed for transport to a wdnr office.
  • Ruffe: Open All Year: The daily bag limit is 0, one may be killed and possessed for transport to a wdnr office.
  • White perch: Open All Year: The daily bag limit is 0, one may be killed and possessed for transport to a wdnr office.

Boom Lake Features

In 1882 the Rhinelander Flowage was formed when a mud and timber dam was constructed on the Wisconsin River to form a holding pond for lumber being floated down the river. At this time there were 8 sawmills in Rhinelander and the pond was named Boom Lake. By the early 1900’s the dam was rebuilt to generate power for the paper mill. Today the Rhinelander Flowage is known as the Rhinelander Chain of Lakes. Considered one of the best fishing destinations of Northern Wisconsin and hosts the famous Hodag Muskie challenge. A diverse fishery for walleye, smallmouth bass, crappie, northern pike and muskies makes this body of water a favorite spot with local anglers. Although numbers of muskies can be caught here, the flowage is known more for its propensity to produce large muskies in the 40 plus pound class.
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Fish Species

Bluegill
fish
No survey data
Abundance (CPUE)
No survey data
218.6
0Statewide Range756.91

Boom 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
No Survey Data
Catfish
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
Crappie
fish
No survey data
Abundance (CPUE)
No survey data
2.33
0Statewide Range5.835

Boom 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
No Survey Data
Largemouth bass
fish
9-18 in
Length Range
13 in
Length Range
2023
Surveyed
Abundance (CPUE)
Below Avg.
2023
Surveyed
Electro
Catch Method
12.84
0Statewide Range133.44

Boom 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
Muskellunge
fish
No survey data
Abundance (CPUE)
No survey data
1.17
0Statewide Range6.49

Boom Lake Muskellunge 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
No Survey Data
Northern pike
fish
9-26 in
Length Range
18 in
Length Range
2023
Surveyed
Abundance (CPUE)
High
2023
Surveyed
Electro
Catch Method
8.17
0Statewide Range15.56

Boom 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
No survey data
Abundance (CPUE)
No survey data
0.05
0Statewide Range0.74

Boom 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
No Survey Data
Pumpkinseed
fish
No survey data
Abundance (CPUE)
No survey data
13.95
0Statewide Range85.42

Boom 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
No Survey Data
Rock bass
fish
No survey data
Abundance (CPUE)
No survey data
2.33
0Statewide Range64.26

Boom 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
No Survey Data
Smallmouth bass
fish
7-18 in
Length Range
12 in
Length Range
2023
Surveyed
Abundance (CPUE)
High
2023
Surveyed
Electro
Catch Method
12.06
0Statewide Range28.41

Boom Lake 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
Walleye
fish
8-18 in
Length Range
11 in
Length Range
2023
Surveyed
Abundance (CPUE)
Below Avg.
2023
Surveyed
Electro
Catch Method
21.4
0Statewide Range106.53

Boom Lake Walleye 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