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Maryland regulations

Largemouth Bass Regulations in Maryland 2026

Maryland Largemouth Bass regulations: Season start Jun 16, Daily bag 5 fish/day, Possession 10 fish. Sourced from DNR.

About Largemouth Bass

Rules (46)

Maryland statewide
Season opens
Jun 16
Daily bag
5 fish/day
Possession
10 fish
Min size
12"
in aggregate or as provided for by special regulations.
Verified · View official source ↗
Chesapeake BayClosed
Status
Closed
May not be used to take largemouth bass, smallmouth bass, striped bass, all shark species, snapping turtles and any threatened or endangered species
Verified · View official source ↗
Chesapeake Bay Division
Min size
21"
Verified · View official source ↗
Johnson Pond, Wicomico County
Possession
1 fish
Slot min
11"
Slot max
15"
may be 15 inches or longer
Verified · View official source ↗
Johnson Pond, Wicomico County.
Daily bag
1 fish
Min size
15"
Slot min
11"
Slot max
15"
Only one bass in possession may be 15 inches or longer. No bass in possession can measure between 11 and 15 inches long.
Verified · View official source ↗
Leonard Mill Pond, Wicomico County
Possession
1 fish
Slot min
11"
Slot max
15"
may be 15 inches or longer
Verified · View official source ↗
Leonard Mill Pond, Wicomico County.
Daily bag
1 fish
Min size
15"
Slot min
11"
Slot max
15"
Only one bass in possession may be 15 inches or longer. No bass in possession can measure between 11 and 15 inches long.
Verified · View official source ↗
Little Seneca Lake, Montgomery County
Possession
1 fish
Slot min
11"
Slot max
15"
may be 15 inches or longer
Verified · View official source ↗
Little Seneca Lake, Montgomery County.
Daily bag
1 fish
Min size
15"
Slot min
11"
Slot max
15"
Only one bass in possession may be 15 inches or longer. No bass in possession can measure between 11 and 15 inches long.
Verified · View official source ↗
Monocacy River—From The Potomac River Upstream To Buckeystown DamCatch & release
Status
Catch And Release
You must immediately release any largemouth or smallmouth bass into the water where it was caught.
Verified · View official source ↗
Monocacy River—From The Potomac River Upstream To Buckeystown Dam.Closed
Status
Closed
Verified · View official source ↗
Nontidal Division
Min size
21"
Verified · View official source ↗
Patapsco River—From Interstate 70 Downstream To Md Route 144 (Frederick Road)Catch & release
Status
Catch And Release
You must immediately release any largemouth or smallmouth bass into the water where it was caught.
Verified · View official source ↗
Patapsco River—From Interstate 70 Downstream To Md Route 144 (Frederick Road).Closed
Status
Closed
Verified · View official source ↗
Potomac River—From Dam No. 2 (Seneca Breaks) Upstream To The Mouth Of The Monocacy RiverCatch & release
Status
Catch And Release
You must immediately release any largemouth or smallmouth bass into the water where it was caught.
Verified · View official source ↗
Potomac River—From Dam No. 2 (Seneca Breaks) Upstream To The Mouth Of The Monocacy River.Closed
Status
Closed
Verified · View official source ↗
St. Mary’s Lake, St. Mary’s County— Located On Md Route 5.
Daily bag
1 fish
Min size
15"
Slot min
11"
Slot max
15"
Only one bass in possession may be 15 inches or longer. No bass in possession can measure between 11 and 15 inches long.
Verified · View official source ↗
St. Mary’s Lake, St. Mary’s County—Located On Md Route 5
Possession
1 fish
Slot min
11"
Slot max
15"
may be 15 inches or longer
Verified · View official source ↗
Tidal Tributaries Of The Chesapeake BayClosed
Status
Closed
May not be used to take largemouth bass, smallmouth bass, striped bass, all shark species, snapping turtles and any threatened or endangered species
Verified · View official source ↗
Youghiogheny River Lake (Reservoir)Catch & release
Status
Catch And Release
Season opens
Jun 13
Season closes
Oct 31
Daily bag
6 fish/day
No Harvest (Catch and Release) all other dates; No tournaments during closure. in aggregate
Verified · View official source ↗

Other Maryland fish regulations

Other regulated species in Maryland with current rule pages — same DNR source, same verification cadence.

Also known as

Largemouth Bass is also called Black Bass (Largemouth, Smallmouth, in any combination), largies. Anglers in different regions use different names for the same fish, and the rules on this page apply to all of them in Maryland.

Frequently asked questions

When is Largemouth Bass season in Maryland?

Largemouth Bass season in Maryland runs from Jun 13 to Oct 31 per DNR.

What is the size limit for Largemouth Bass in Maryland?

Minimum size for Largemouth Bass in Maryland is 21 inches in Chesapeake Bay Division, per DNR. Slot limits or maximum sizes may apply in some zones.

What is the daily bag limit for Largemouth Bass in Maryland?

Daily bag limit for Largemouth Bass in Maryland is 1 fish in Johnson Pond, Wicomico County., per DNR.

Official sources cited

Reference only. Regulations change frequently, often mid-season. Always verify with DNR before keeping a catch.

← All Maryland fishing regulations