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Mississippi River Largemouth Bass Fishing Regulations 2026
Mississippi River largemouth bass 2026 open seasons vary by 326 management regions. Statewide rules apply for 6/day and 14″ min. Pick your region in the rule table below. Sourced from Conservation / TWRA / DNR / DNR.
Rules (570)
Missouri (20)
All Ozark StreamsIn season
- Season opens
- May 23
- Season closes
- Feb 28
- Possession
- 12 fish
- Min size
- 12"
Big River Mainstem And Its Tributaries, Except As Noted Below
- Daily bag
- 6 fish
may include no more than 6 largemouth bass and smallmouth bass, combined total of both species.
Blue Springs Creek
- Daily bag
- 6 fish
may include no more than 6 largemouth bass and smallmouth bass, combined total of both species.
Bourbeuse River Mainstem And Its Tributaries
- Daily bag
- 6 fish
may include no more than 6 largemouth bass and smallmouth bass, combined total of both species.
Courtois Creek Mainstem And Its Tributaries
- Daily bag
- 6 fish
may include no more than 6 largemouth bass and smallmouth bass, combined total of both species.
Dry Fork Creek Mainstem And Its Tributaries
- Daily bag
- 6 fish
may include no more than 6 largemouth bass and smallmouth bass, combined total of both species.
Huzzah Creek Mainstem And Its Tributaries
- Daily bag
- 6 fish
may include no more than 6 largemouth bass and smallmouth bass, combined total of both species.
Meramec River Mainstem And Its Tributaries, Except As Noted Below
- Daily bag
- 6 fish
may include no more than 6 largemouth bass and smallmouth bass, combined total of both species.
Mineral Fork Mainstem And Its Tributaries, Except As Noted Below
- Daily bag
- 6 fish
may include no more than 6 largemouth bass and smallmouth bass, combined total of both species.
Tennessee (130)
Acorn LakeOpen
- Status
- Permitted
- Daily bag
- 10 fish/day
no minimum length limit
Bridgestone/Firestone Centennial Wilderness Wma Ponds
- Daily bag
- 5 fish/day
- Possession
- 1 fish
- Min size
- 16"
only one (1) fish 16 inches or longer may be harvested
Browns Creek Lake
- Daily bag
- 1 fish/day
- Possession
- 1 fish
- Slot min
- 18"
- Slot max
- 25"
only one fish longer than 25 inches may be harvested only one (1) fish longer than 25 inches may be harvested PLR
Carroll LakeOpen
- Status
- Permitted
- Daily bag
- 1 fish/day
- Possession
- 1 fish
no creel limit only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested
Coy Gaither-Bedford Lake
- Daily bag
- 1 fish/day
- Possession
- 1 fish
- Slot min
- 14"
- Slot max
- 18"
only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested PLR
Davy Crockett LakeOpen
- Status
- Permitted
- Max size
- 18"
No limit — no creel only one (1) fish longer than 18 inches may be harvested per day.
Davy Crockett Lake (Crockett Co.)Open
- Status
- Permitted
- Daily bag
- 1 fish/day
- Possession
- 1 fish
no creel limit only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested
Fall Creek Falls Lake
- Daily bag
- 10 fish/day
- Possession
- 1 fish
- Min size
- 16"
Only one (1) fish longer than 16 inches may be harvested Only one (1) fish longer than 16 inches may be harvested.
Garrett LakeOpen
- Status
- Permitted
- Daily bag
- 1 fish/day
- Possession
- 1 fish
no creel limit only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested
Gibson County Lake
- Daily bag
- 1 fish/day
- Possession
- 1 fish
- Slot min
- 18"
- Slot max
- 24"
only one fish longer than 24 inches may be harvested only one (1) fish longer than 24 inches may be harvested PLR
Glenn Springs LakeOpen
- Status
- Permitted
- Daily bag
- 1 fish/day
- Possession
- 1 fish
no creel limit only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested
Herb Parsons Lake
- Daily bag
- 1 fish/day
- Possession
- 1 fish
- Slot min
- 16"
- Slot max
- 20"
only one fish longer than 20 inches may be harvested only one (1) fish longer than 20 inches may be harvested PLR
Indian Boundary Lake
- Daily bag
- 5 fish/day
- Possession
- 1 fish
- Min size
- 16"
only one (1) fish 16 inches or longer may be harvested
Lake GrahamOpen
- Status
- Permitted
- Daily bag
- 1 fish/day
- Possession
- 1 fish
no creel limit only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested
Lake Halford
- Daily bag
- 2 fish/day
- Possession
- 2 fish
- Max size
- 18"
only two fish longer than 18 inches may be harvested only two (2) fish longer than 18 inches may be harvested
Lake Kefauver
- Daily bag
- 5 fish/day
- Possession
- 1 fish
- Min size
- 16"
only one (1) fish 16 inches or longer may be harvested
Laurel Hill Lake
- Daily bag
- 1 fish/day
- Possession
- 1 fish
- Slot min
- 13"
- Slot max
- 18"
only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested PLR
Maples Creek LakeOpen
- Status
- Permitted
- Daily bag
- 1 fish/day
- Possession
- 1 fish
no creel limit only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested
Marrowbone LakeOpen
- Status
- Permitted
- Daily bag
- 10 fish/day
no length limit.
Pin Oak Lake
- Daily bag
- 10 fish/day
- Slot min
- 18"
- Slot max
- 25"
only one (1) fish longer than 25 inches may be harvested
Poplar Tree Lake
- Daily bag
- 10 fish/day
- Possession
- 1 fish
- Min size
- 18"
only one (1) fish longer than 18 inches may be harvested
Travis McNatt LakeOpen
- Status
- Permitted
- Min size
- 16"
No creel limit, only one (1) fish longer than 16 inches may be harvested only one (1) fish longer than 16 inches may be harvested
Whiteville LakeOpen
- Status
- Permitted
- Daily bag
- 1 fish/day
- Possession
- 1 fish
no creel limit only one fish longer than 18 inches may be harvested only one (1) fish longer than 18 inches may be harvested
Woodhaven Lake
- Daily bag
- 10 fish/day
- Slot min
- 18"
- Slot max
- 25"
only one (1) fish longer than 25 inches may be harvested
Illinois (19)
Kane County Forest Preserve District Lakes And Ponds
- Daily bag
- 4 fish/day
- Slot min
- 14"
- Slot max
- 18"
with no more than 1 Fish greater than or equal to 18 inches and 3 Fish less than 14 inches Protected Slot Length Limit with no possession of Fish greater than or equal to 14 inches and less than 18 inches
Mason Recreational Use Restrictions Lake
- Min size
- 12"
Largemouth Bass 12 inch Minimum Length Limit
Illinois statewideOpen
- Status
- Permitted
- Daily bag
- 6 fish/day
No Statewide Size Limit. either singly or in the aggregate with Smallmouth Bass and Spotted Bass, except as specified under site specific regulations
Wisconsin (401)
All Tributaries To Green Bay (Major And Other) And Tributaries To Lake MichiganIn season
- Season opens
- May 2
- Season closes
- Mar 7
- Daily bag
- 5
Amey Pond
- Daily bag
- 1 fish
- Slot min
- 14"
- Slot max
- 18"
may be longer than 18” must be released
Apple Lake (Fomerly Squaw)
- Max size
- 14"
except one fish may be over 18”
Arrowhead Lake
- Daily bag
- 1 fish
- Slot min
- 14"
- Slot max
- 18"
may be longer than 18” must be released
Beulah Lake
- Min size
- 16"
- Slot max
- 12"
less than 12” and over 16” may be kept
Big Bass Lake
- Min size
- 18"
- Slot max
- 14"
one fish may be over 18 inches less than 14 inches may be kept
Big Lake (S4, T42n, R6e)Catch & release
- Status
- Catch And Release
may not be kept (catch and release only)
Bittersweet LakeCatch & release
- Status
- Catch And Release
may not be kept
Butternut Lake
- Daily bag
- 1 fish
- Min size
- 18"
- Max size
- 14"
may be over 18” one fish may be over 18” less than 14” may be kept
Cable Lake
- Daily bag
- 1 fish in total
- Min size
- 18"
Combined management with Wiley Lake
Camelot Lake
- Daily bag
- 1 fish
- Slot min
- 14"
- Slot max
- 18"
may be longer than 18” must be released
Consumptive Opportunity
- Daily bag
- 5 fish a day
- Possession
- 1 fish
- Slot min
- 14"
- Slot max
- 18"
one over 18 inches
Cosgrove And Little Cosgrove Lakes
- Daily bag
- 1 fish
- Max size
- 14"
may be over 18”
Forest LakeCatch & release
- Status
- Catch And Release
- Daily bag
- 1 fish
- Min size
- 18"
Fox Lake And Its Tributaries And Connected Open Waters
- Daily bag
- 1 fish
- Min size
- 18"
Fox River (From Appleton Lock 1 Upstream To Neenah-Menasha Dams (Winnebago County), Including Little Lake Butte Des Morts, Its Tributaries, Backwaters And Sloughs, Mud Creek And Neenah Slough)Open
- Status
- Open
continuous open season
Fox River (From The Neenah-Menasha Dams Downstream To Appleton Lock 1 - Outagamie County)Open
- Status
- Open
continuous open season
Fox River From Lake Winnebago Upstream To The Dam Above Princeton
- Daily bag
- 5 in total
Franklin Lake
- Daily bag
- 1 fish
- Min size
- 18"
- Max size
- 14"
may be over 18” one fish may be over 18” less than 14” may be kept
Gile Flowage
- Min size
- 18"
- Max size
- 14"
one fish may be over 18” less than 14” may be kept
Jordan Lake
- Daily bag
- 1 fish
- Slot min
- 14"
- Slot max
- 18"
may be longer than 18” must be released
Kakagon River And SloughClosed
- Status
- Prohibited
- Season opens
- May 2
- Season closes
- Mar 7
- Daily bag
- 1
- Min size
- 22"
catch and release only
Krause SpringsIn season
- Season opens
- May 2
- Season closes
- Oct 15
- Daily bag
- 5 fish/day
in total with smallmouth bass
Lake Alice From Kings Dam Upstream To Hat Rapids DamIn season
- Season opens
- May 2
- Season closes
- Mar 7
2026 through March 7, 2027
Lemonweir River (Including All Sloughs, Bayous, And Flowages Upstream To The First Water Control Structure, Dam, Or Highway Bridge)
- Daily bag
- 1 fish
- Min size
- 18"
Little Lake Butte Des Morts (Including Mud Creek, Neenah Slough And Tributaries, Backwaters And Sloughs, And The Fox River From Neenah-Menasha Dams Downstream To Appleton Lock 1 - Outagamie County)Open
- Status
- Open
continuous open season
Manger Lagoon - City Of Green Bay
- Daily bag
- 1 fish/day
only persons 15 years of age and younger and certain disabled anglers may fish these waters
Mason Lake
- Daily bag
- 1 fish
- Min size
- 18"
- Slot min
- 14"
- Slot max
- 14"
may be longer than 18” one fish may be over 18 inches must be released less than 14 inches may be kept
McGee LakeClosed
- Status
- Closed
- Season opens
- May 2
- Season closes
- Oct 15
- Daily bag
- 5 fish/day
- Gear
- Artificial Only
during the closed trout season artificial lure only season in total with smallmouth bass from May 2 to Oct. 15
Memorable Opportunity Or Fishery Rehabilitation
- Daily bag
- 1 fish a day
- Min size
- 18"
Mirror Lake
- Daily bag
- 1 fish/day
only persons 15 years of age and younger and certain disabled anglers may fish these waters
Mission Lake
- Min size
- 18"
- Slot max
- 14"
one fish may be over 18 inches less than 14 inches may be kept
Mud Lake (Nw Corner Of Dane County, West Of Fish Lake; S3&4,T9n,R7e)
- Daily bag
- 1 fish
- Min size
- 18"
Northern ZoneCatch & release
- Status
- Catch And Release
- Season opens
- May 2
- Season closes
- Mar 7
- Daily bag
- 5 fish
All other times of year: catch and release only. May 2, 2026 to March 7, 2027 — Largemouth bass harvest.
Oberlin LakeCatch & release
- Status
- Catch And Release
may not be kept (catch and release only)
Other Lake Michigan WatersCatch & release
- Status
- Catch And Release
- Season opens
- May 2
- Season closes
- Mar 7
- Daily bag
- 5 in total
At all other times of year
Park Lake (Including The Fox River Upstream To Highway 33)
- Daily bag
- 1 fish
- Min size
- 18"
Parker Lake
- Daily bag
- 1 fish
- Slot min
- 14"
- Slot max
- 18"
may be longer than 18” must be released
Paya Lake
- Daily bag
- 5 fish
- Max size
- 18"
- Slot min
- 14"
- Slot max
- 18"
only one over 18” may be kept may not be kept
Pelican Lake
- Daily bag
- 1 fish/day
- Max size
- 14"
one fish may be over 18” except one fish may be over 18”
Pipe And North Pipe Lakes
- Daily bag
- 5 fish
in total with smallmouth bass
Presque Isle Chain (Including Presque Isle, Averill, Van Vliet Lakes Combined)
- Daily bag
- 1 fish
- Min size
- 18"
Prong LakeCatch & release
- Status
- Catch And Release
may not be kept (catch and release only)
Rabe LakeIn season
- Season opens
- May 3
- Season closes
- Oct 15
- Daily bag
- 5 fish/day
in total with smallmouth bass
Remington Lake
- Daily bag
- 1 fish/day
only persons 15 years of age and younger and certain disabled anglers may fish these waters
Round Lake (S35, T20n, R11e)
- Daily bag
- 3 fish
- Min size
- 18"
- Max size
- 14"
less than 14” may be kept, except one fish may be over 18” one fish may be over 18”
Saul SpringsIn season
- Season opens
- May 3
- Season closes
- Oct 15
- Daily bag
- 5 fish/day
in total with smallmouth bass
Sawyer Lake
- Slot min
- 16"
- Slot max
- 12"
greater than 16 inches may be kept less than 12 inches may be kept
Sherwood Lake
- Daily bag
- 1 fish
- Slot min
- 14"
- Slot max
- 18"
may be longer than 18” must be released
Shishebogama Lake
- Max size
- 14"
may be kept, except one fish over 18” may be kept
Smith LakeCatch & release
- Status
- Catch And Release
may not be kept (catch and release only)
Smoky Lake
- Daily bag
- 1 fish
- Min size
- 18"
- Slot min
- 14"
- Slot max
- 18"
only one bass over 18” may be kept between 14-18” must be released
Southern ZoneCatch & release
- Status
- Catch And Release
- Season opens
- May 2
- Season closes
- Mar 7
- Daily bag
- 5 fish in combination
All other times of year: catch and release only. May 2, 2026 to March 7, 2027 —Largemouth and smallmouth bass harvest. Five largemouth or smallmouth bass in combination may be kept
Spread Eagle Chain Of Lakes
- Daily bag
- 1 fish
- Min size
- 18"
- Max size
- 14"
over 18” may be kept one fish over 18” may be kept less than 14” may be kept
Spruce LakeOpen
- Status
- Open
- Daily bag
- 2 fish
- Min size
- 12"
season is open all year
St. Croix River Upstream Of The St. Croix Falls DamCatch & release
- Status
- Catch And Release
- Season opens
- Sep 14
- Season closes
- Mar 1
- Daily bag
- 5 fish/day
catch and release only in total
St. Louis River And The St. Croix River Downstream Of The St. Croix Falls DamOut of season
- Season opens
- May 23
- Season closes
- Mar 1
- Daily bag
- 5 fish/day
in total
Stevens Point Flowage Dam To The Altech Park Spillway
- Daily bag
- 1 fish
- Min size
- 18"
Syene Ponds
- Daily bag
- 1 fish/day
only persons 15 years of age and younger and certain disabled anglers may fish these waters
Tiger Cat Chain Of Lakes (Burns, Lower Twin, McClaine, And Placid Lakes, Tigercat Flowage And Upper Twin Lake All Downstream To The Tiger Cat Flowage Dam Combined)
- Min size
- 18"
- Max size
- 14"
except one fish may be over 18”
Token Creek Ponds
- Daily bag
- 1 fish/day
only persons 15 years of age and younger and certain disabled anglers may fish these waters
Trophy Opportunity Or Biomanipulation
- Daily bag
- 1 fish a day
- Min size
- 22"
Trude Lake
- Min size
- 18"
- Max size
- 14"
one fish over 18” may be kept less than 14” may be kept
Trump Lake
- Min size
- 18"
- Max size
- 14"
one fish may be over 18” less than 14” may be kept
Turtle/Flambeau Flowage
- Min size
- 18"
- Max size
- 14"
one fish over 18” may be kept less than 14” may be kept
White Mound Lake
- Min size
- 18"
- Max size
- 14"
except one fish may be over 18”
White Sand Lake—Highway K (T42n, R7e, S27)
- Daily bag
- 1 fish
- Min size
- 18"
Wiley Lake
- Daily bag
- 1 fish in total
- Min size
- 18"
Combined management with Cable Lake
Wilson Lake
- Slot min
- 12"
- Slot max
- 16"
less than 12” and greater than 16” may be kept
Wisconsin River (Including All Sloughs, Bayous, And Flowages Upstream To The First Dam Or Highway Bridge)
- Daily bag
- 1 fish
- Min size
- 18"
From the Stevens Point Flowage Dam to the AlTech Park spillway
Within One-Fourth Mile Of All Islands In The Town Of Washington IslandClosed
- Status
- Prohibited
- Season opens
- Jul 1
- Season closes
- Mar 7
- Daily bag
- 5 in total
- Min size
- 12"
There is no catch and release fishing prior to July 1 opener
Wolf River From Its Mouth Upstream To The Dam In The City Of Shawano
- Daily bag
- 5 in total
Yellowstone Lake (Including The Yellowstone River From The Lake Upstream To County Highway F)
- Slot min
- 12"
- Slot max
- 15"
Wisconsin statewideOpen
- Status
- Permitted
- Daily bag
- 5 fish in total
- Possession
- 10 fish in total
- Min size
- 14"
of any length may be kept; Durphee Lake (In Combination With Schoolhouse Lake)
Frequently asked questions
When is Largemouth Bass season on Mississippi River?
Largemouth Bass season on Mississippi River runs from May 23 to Feb 28 (varies by state) per Conservation / TWRA / DNR / DNR.
What is the size limit for Largemouth Bass on Mississippi River?
Minimum size for Largemouth Bass on Mississippi River is 12 inches in All Ozark Streams. Slot or maximum sizes may apply elsewhere on the water; see the table above.
What is the daily bag limit for Largemouth Bass on Mississippi River?
Daily bag limit for Largemouth Bass on Mississippi River is 6 fish in Big River Mainstem And Its Tributaries, Except As Noted Below.
Reference only. Regulations change mid-season. Always verify with the official source before keeping a catch.