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Fishing regulations at Great Miami River, OH
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 Ohio 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.
Below you will see fishing regulations for catching Smallmouth bass as of March 31st, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Min size
Measurement
Aggregate
Largemouth Bass, Smallmouth Bass, Spotted Bass regulations for Lake Erie
March 1 - April 30: bag limit = 5; min size = 14-inches
May 1 - June 24: bag limit = 1; min size = 18-inches
June 25 - April 30: bag limit = 5; min size = 14 inches
Largemouth Bass, Smallmouth Bass, Spotted Bass regulations for the Ohio River - Western Unit (Ohio/Kentucky) Regulations. These regulations apply only to boat anglers when fishing in Ohio waters, shoreline anglers when fishing on the Ohio shoreline, and all anglers in Ohio embayments and tributaries within the Western Unit.
bag limit = 6; min size = 12 inches
Kentucky regulations apply to boat anglers fishing beyond the 1792 low water mark, identified at wildohio.gov. WildOhio.gov.
Largemouth Bass, Smallmouth Bass, Spotted Bass regulations for the Ohio River - Eastern Unit (Ohio/West Virginia) Regulations. These regulations must be followed when fishing on or within a quarter mile of the Ohio River on its embayments and tributaries to the first riffle or dam in the Eastern Unit.
bag limit = 6; min size = 12 inches
West Virginia regulations apply to boat anglers fishing the main stem of the Ohio River, shore anglers fishing the West Virginia shoreline, and boat and shore anglers fishing West Virginia embayments and tributaries within the Eastern Unit.
Largemouth Bass and Smallmouth Bass regulations for Pymatuning Lake:
bag limit = 5; min size = 12-inches
Additional site-specific regulations for Largemouth Bass, Smallmouth Bass, Spotted Bass in inland lakes, reservoirs, rivers, and streams:
- Action: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Adams: bag limit = 5; min size = 15-inches
- All American Electric Power Company waters, including AEP ReCreation Lands: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Appalachian Hills Wildlife Area: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Belmont: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Blue Rock: bag limit = 5; min size = 15-inches
- Burr Oak: bag limit = 5; none may be taken between 12 and 15-inches
- Caldwell: bag limit = 5; min size = 15-inches
- Cowan: bag limit = 5; min size = 15-inches
- Dale Walborn: bag limit = 5; min size = 15-inches
- Dow: bag limit = 5; none may be taken between 12 and 15-inches
- Findley: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Fox: bag limit = 5; none may be taken between 12 and 15-inches
- Greenfield: bag limit = 5; min size = 15-inches
- Guilford: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Hammertown (Jackson City Reservoir): bag limit = 5; none may be taken between 12 and 15-inches
- Hancock County Wetlands: bag limit = 5; min size = 15-inches
- Hargus: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Highlandtown: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Jesse Owens: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Killdeer Plains ponds: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Kiser: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Knox: bag limit = 5; min size = 18-inches
- La Su An: special limits are posted
- Lake Rupert (Wellston City Reservoir): bag limit = 5; none may be taken between 12 and 15-inches
- Lake Snowden: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Long: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- New Lyme: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- No. 30 and No. 33: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Ohio-Erie Canal: bag limit = 5; min size = 15-inches
- Oxbow: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Paint Creek: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Pine: bag limit = 5; min size = 15-inches
- Resthaven Pond No. 8: bag limit = 5; min size = 15-inches
- Ross: bag limit = 5; min size = 15-inches
- Rush Runs: bag limit = 5; min size = 15-inches
- Salt Fork: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Seneca: bag limit = 5; min size = 15-inches
- Silver Creek: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Slope Creek (Barnesville No. 3): bag limit = 5; none may be taken between 12 and 15-inches
- Spencer: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- St. Joseph Wildlife Area: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Turkey Creek: bag limit = 5; none may be taken between 12 and 15-inches
- Tycoon: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Upper Sandusky No. 2: bag limit = 4 fish split daily limit; 2 fish less than 15-inches and 2 fish 15-inches or longer
- Wellington Reservoir South: bag limit = 5; min size = 15-inches
- Wingfoot: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Wolf Run: bag limit = 3 fish split daily limit; 2 fish less than 14-inches and 1 fish 20-inches or longer
- Zepernick: bag limit = 5; min size = 15-inches
Micropterus dolomieui
Regulations for
FAQ about Great Miami River fishing
- Smallmouth bass - 664 members reported to have caught this fish
- Channel catfish - 351 members reported to have caught this fish
- Largemouth bass - 237 members reported to have caught this fish
- @jasonmorton6505 reported a nice Smallmouth bass.
- @CptCrunch reported a nice Channel catfish.
- @HammondOutdoors reported a nice Channel catfish.
- @HammondOutdoors reported a nice Channel catfish.
- @HammondOutdoors reported a nice Channel catfish.
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