🐟 What fish can you catch in Potomac?

Most commonly caught species around Potomac , IL : Largemouth bass - 2,789 reported catches Bluegill - 338 reported catches Smallmouth bass - 334 reported catches Channel catfish - 260 reported catches Black crappie - 194 reported catches .

📢 What are the latest Potomac fishing reports?

The latest Potomac , IL fishing reports are: @gaigecannon reported a nice Smallmouth buffalo . @NoahWilken reported a nice Black crappie at Maynard Lake . @michaelclark1336 reported a nice Common shiner at Saline Branch Drainage Ditch . @EverythingButCarp reported a nice White crappie at Boneyard Creek . @EverythingButCarp reported a nice White crappie at Boneyard Creek . .

Fishing in Potomac, IL

Q: 🎣 Where to fish in Potomac, Illinois?

Anglers in Potomac , IL recommend these top fishing spots: Lake Vermilion , Salt Fork , Lake Mingo , North Fork Vermilion River , Clear Lake .

Q: 📅 What is the best time to go fishing in Potomac?

Download the Fishbrain app and see today's Fishing and Weather Forecast for Potomac , IL . We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro , you will get the following capabilities: Plan smarter: Get hour-by-hour fishing weather conditions. Fish at peak times: Use BiteTime™ predictions to maximize catches. Stay ahead of the weather: Get hyper-local, real-time updates. .

Illinois, United States

Want trophy-size catches? These Potomac spots deliver

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Top fish species in Potomac

Latest Potomac fishing reports

Smallmouth buffalo

length · weight

Black crappie

Maynard Lake

length · weight

Common shiner

Saline Branch Drainage Ditch

length · weight

White crappie

Boneyard Creek

12 in · 1 lb 2 oz

White crappie

Boneyard Creek

12 in · 1 lb

Bluegill

length · weight

Largemouth bass

length · weight

Black crappie

Dana Colbert Sr. Park

length · weight

Black buffalo

length · weight

Black crappie

Dana Colbert Sr. Park

length · weight

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Fishing regulations in Potomac

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.

Below you will see fishing regulations for catching Largemouth bass as of April 17th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.

Select species

Largemouth bass

Seasons

Open

Bag limit

Aggregate

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.

Very good Catch, Clean, Cook Largemouth Bass by BlueGabe

Micropterus nigricans

Regulations for

40°18′24.1″N 87°47′51.7″W

Regulations in the map

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FAQ about Potomac fishing

Anglers in Potomac, IL recommend these top fishing spots: Lake Vermilion, Salt Fork, Lake Mingo, North Fork Vermilion River, and Clear Lake.

Most commonly caught species around Potomac, IL:

Largemouth bass - 2,789 reported catches
Bluegill - 338 reported catches
Smallmouth bass - 334 reported catches
Channel catfish - 260 reported catches
Black crappie - 194 reported catches

The latest Potomac, IL fishing reports are:

@gaigecannon reported a nice Smallmouth buffalo.
@NoahWilken reported a nice Black crappie at Maynard Lake.
@michaelclark1336 reported a nice Common shiner at Saline Branch Drainage Ditch.
@EverythingButCarp reported a nice White crappie at Boneyard Creek.
@EverythingButCarp reported a nice White crappie at Boneyard Creek.

Download the and see today's Fishing and Weather Forecast for Potomac, IL. We give you weather trends and help you find the perfect window to catch your next personal best. With Fishbrain Pro, you will get the following capabilities: