Fishing Regulations for Merrill Flowage - Unknown County
General Waterbody Restrictions
Hook and line fishing is open all year for fish species except muskellunge, northern pike, lake sturgeon, trout, paddlefish and threatened or endangered species.
Motor Trolling is allowed with 1 hook, bait, or lure per angler, and 3 hooks, baits, or lures maximum per boat.
Fishing Regulations
NOTE: Regulations listed below may not reflect fish species actually found in the lake. See Merrill Flowage'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 |
No minimum length limit and the daily bag limit is 25. |
Largemouth bass and smallmouth bass |
Open All Year |
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 |
Open All Year |
The minimum length is 15", but walleye, sauger, and hybrids from 20" to 28" may not be kept, and only 1 fish over 28" 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. |
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. |