Logged catches
Top fish species at Lake Decatur
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Lake Decatur fishing reports
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When are Largemouth Bass biting on Lake Decatur?
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Fishing regulations at Lake Decatur, IL
Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Illinois can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Regulations for top species
Largemouth bass
The maximum number of individual fish legally harvested per harvester per day. Bag limits are only for properly licensed anglers actively harvesting the species. People who are not actively harvesting or are not properly licensed (if a license is required) may NOT be counted for the purpose of bag limits.
The maximum number of individual fish across an aggregate group of species legally harvested per harvester per day.
There is no statewide size limit. Daily harvest limit is 6 Bass, either singly or in the aggregate, except as specified under Site-Specific Regulations. Only statewide regulations are shown herein, but you can access Site-Specific Regulations online.
Channel catfish
There are no harvest or size limits except in those waters listed under Site-Specific Regulations.
Black crappie
There are no harvest or size limits except in those waters listed under Site-Specific Regulations.
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