Oconomowoc Lake

Oconomowoc Lake

Size
812ac
Boat Launch
No
Carry-in Launch
No
Toilet
No
Boat Dock
No
Species in Oconomowoc Lake
Walleye
Walleye
Smallmouth bass
Smallmouth bass
Northern pike
Northern pike
Rock bass
Rock bass
Largemouth bass
Largemouth bass
Bluegill
Bluegill
Perch
Perch
Muskellunge
Muskellunge
Brown trout
Brown trout
Pumpkinseed
Pumpkinseed

Overview

Oconomowoc Lake 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

  • Sauger and hybrids: See Walleye, Sauger, and Hybrids.
  • Shortnose gar: See Rough Fish.
  • Muskellunge and hybrids: May 3, 2025 to December 31, 2025: The minimum length limit is 50”, and the daily bag limit is 1
  • Cisco and whitefish: Open all year: No minimum length limit and the daily bag limit is 10
  • Crappies: See Panfish.
  • Channel catfish: See Catfish.
  • Lake sturgeon: Closed. No fishing allowed.
  • 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.
  • 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: The minimum length limit is 26” and the daily bag limit is 2
  • Catfish: Open all year: No minimum length limit and the daily bag limit is 10
  • Urban waters gamefish: This waterbody is not considered an urban water, Urban Waters Gamefish regulations do not apply.
  • Walleye: See Walleye, Sauger, and Hybrids.
  • Panfish: Open all year: No minimum length limit and the daily bag limit is 25
  • Walleye, Saugers, and Hybrids: May 3, 2025 to March 1, 2026: The minimum length limit is 18” and the daily bag limit is 3
  • Bullheads: Open all year: No minimum length limit and the daily bag limit is unlimited
  • Flathead catfish: See Catfish.
  • Longnose gar: See Rough Fish.
  • Hybrid, Striped, Yellow, and White Bass: See Rock, Yellow and White Bass.
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Fish Species

Bluegill
fish
5-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Electro
Catch Method
9.3333
0Statewide Range849.0614

Oconomowoc 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
2014
Jun
2022
May
Brown trout
fish
15-16 in
Length Range
16 in
Length Range
2016
Surveyed
Abundance (CPUE)
Unknown
2016
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
2016
Oct
Largemouth bass
fish
16-20 in
Length Range
17 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Electro
Catch Method
2
0Statewide Range83.5649

Oconomowoc 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
2022
May
2022
Oct
Trophy Potential
This lake has a history of supporting trophy sized largemouth-bass based on past surveys.
Survey YearLargest Fish (in)
202220
Muskellunge
fish
27-53 in
Length Range
40 in
Length Range
2014
Surveyed
Abundance (CPUE)
Unknown
2014
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
2014
Jun
Northern pike
fish
8-24 in
Length Range
10 in
Length Range
2023
Surveyed
Abundance (CPUE)
High
2023
Surveyed
Electro
Catch Method
7
0Statewide Range16.72075

Oconomowoc 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
2022
Oct
2023
Oct
Perch
fish
5-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
Unknown
2022
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
2014
Jun
2022
May
Pumpkinseed
fish
27-53 in
Length Range
40 in
Length Range
2014
Surveyed
Abundance (CPUE)
Unknown
2014
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
2014
Jun
Rock bass
fish
5-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
Above Avg.
2022
Surveyed
Electro
Catch Method
25.3333
0Statewide Range62.50905

Oconomowoc 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
2014
Jun
2022
May
Smallmouth bass
fish
8-24 in
Length Range
10 in
Length Range
2023
Surveyed
Abundance (CPUE)
Above Avg.
2023
Surveyed
Electro
Catch Method
6
0Statewide Range80.5292

Oconomowoc 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
2022
Oct
2023
Oct
Trophy Potential
This lake has a history of supporting trophy sized smallmouth-bass based on past surveys.
Survey YearLargest Fish (in)
202319
202221
202122
202021
201721
Walleye
fish
8-24 in
Length Range
10 in
Length Range
2023
Surveyed
Abundance (CPUE)
High
2023
Surveyed
Electro
Catch Method
56
0Statewide Range75.60845

Oconomowoc 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
2022
Oct
2023
Oct