🐟 What fish can you catch in Waterloo?

Most commonly caught species around Waterloo , IL : Largemouth bass - 11,228 reported catches Channel catfish - 2,131 reported catches Bluegill - 1,684 reported catches Rainbow trout - 946 reported catches Green sunfish - 826 reported catches .

📢 What are the latest Waterloo fishing reports?

The latest Waterloo , IL fishing reports are: @corben.wright reported a nice Largemouth bass at Old Fairway Dr Lake . @frankh9306 reported a nice Largemouth bass at Richland Creek . @davechady reported a nice Black crappie at Swansea Clinton Hills Conservation Park . @MattBass07 reported a nice Largemouth bass at Swansea Clinton Hills Conservation Park . @Kwc2332 reported a nice Blue catfish at Baldwin Lake . .

Fishing in Waterloo, IL

Q: 🎣 Where to fish in Waterloo, Illinois?

Anglers in Waterloo , IL recommend these top fishing spots: Mississippi River (IL) , Meramec River , Bee Tree County Park , Joachim Creek , Gravois Creek .

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

Download the Fishbrain app and see today's Fishing and Weather Forecast for Waterloo , 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 Waterloo spots deliver

Scan the QR code to download the app!

Top fish species in Waterloo

Latest Waterloo fishing reports

Largemouth bass

Old Fairway Dr Lake

length · weight

Largemouth bass

Richland Creek

length · weight

Black crappie

Swansea Clinton Hills Conservation Park

7 in · 4 oz

Largemouth bass

Swansea Clinton Hills Conservation Park

length · weight

Blue catfish

Baldwin Lake

length · weight

Blue catfish

Baldwin Lake

length · weight

Blue catfish

Baldwin Lake

length · weight

Channel catfish

Baldwin Lake

length · weight

White crappie

Moredock Lake

length · weight

Moredock Lake

length · weight

More catches in the app...

Continue browsing catches and catch locations in the Fishbrain app

Scan the QR code to download the app!

Fishing regulations in Waterloo

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 18th, 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

38°20′25.1″N 90°09′13.7″W

Regulations in the map

Download Fishbrain and fish smarter

Unlimited access to the best fishing spot finder in the game. Get all the fishing intel you need to start catching more, and bigger, fish.

Free trial available

FAQ about Waterloo fishing

Anglers in Waterloo, IL recommend these top fishing spots: Mississippi River (IL), Meramec River, Bee Tree County Park, Joachim Creek, and Gravois Creek.

Most commonly caught species around Waterloo, IL:

Largemouth bass - 11,228 reported catches
Channel catfish - 2,131 reported catches
Bluegill - 1,684 reported catches
Rainbow trout - 946 reported catches
Green sunfish - 826 reported catches

The latest Waterloo, IL fishing reports are:

@corben.wright reported a nice Largemouth bass at Old Fairway Dr Lake.
@frankh9306 reported a nice Largemouth bass at Richland Creek.
@davechady reported a nice Black crappie at Swansea Clinton Hills Conservation Park.
@MattBass07 reported a nice Largemouth bass at Swansea Clinton Hills Conservation Park.
@Kwc2332 reported a nice Blue catfish at Baldwin Lake.

Download the and see today's Fishing and Weather Forecast for Waterloo, 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: