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Fishing Regulations for Big Muskego Lake - Waukesha County

General Waterbody Restrictions
Bag limits are for fish caught in all lakes in the BIG MUSKEGO AND BASS BAY including BASS BAY LAKE
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.

Fishing Regulations
NOTE: Regulations listed below may not reflect fish species actually found in the lake. See Big Muskego Lake's WDNR Lake Page for more information on this lake's characteristics.
Fish Season Regulation
Catfish Open All Year No minimum length limit and the daily bag limit is 10.
Panfish (bluegill, pumpkinseed, sunfish, crappie and yellow perch) Open All Year The minimum length limit is 8" and the daily bag limit is 15.
Largemouth bass and smallmouth bass May 4, 2024 to March 2, 2025 The minimum length limit is 18" and the daily bag limit is 1.
Muskellunge and hybrids May 4, 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, but northern pike from 25" to 35" may not be kept.The daily bag limit is 2.
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 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.
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.
Shovelnose sturgeon Closed No fishing allowed.
White perch Open All Year The daily bag limit is 0, one may be killed and possessed for transport to a wdnr office.

DISCLAIMER: Information on this site is an interpretive summary of Wisconsin's fishing laws and regulations, and only applies to inland lakes. All other regulations, including those for trout and salmon, rivers, and border waters of the state (the Mississippi River or Great Lakes), can be found at https://dnr.wisconsin.gov/topic/fishing/regulations/index.html . For complete fishing laws and regulations, consult the Wisconsin State Statutes Chapter 29 and the Administrative Code of the Department of Natural Resources. The regulations listed here may not reflect the exact species found in the lake or flowage. Please check to make sure there is public access and water available for fishing. Consult the Menominee Tribal Legislature for fishing regulations within the boundaries of the Menominee Reservation.

For more information or to report a regulation inconsistency, contact

Fisheries Management