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LITTLE GRASSY LAKE
Lake Information
County: Williamson
Acreage: 1000
Average Depth: 0.00 feet
Recreational Amenities
Boat Fishing? 10hp
Boat Ramps? Yes
Boat Rental? Yes
Skiing? No
Swimming? Yes
Picnicking? Yes
Camping? Yes
Click on area names for a more detailed map.
Grassy Creek,
Marina,
Rocky Comfort,
Twin Crappie
Maps are not intended for navigation.
There are no zebra mussels in this lake.
Fish Stocking | |||
Year |
Species |
Size |
Count |
2023 |
Smallmouth Bass |
Fingerling 1 - 3" |
11600 |
2024 |
Channel Catfish |
Advanced Fingerling 4 - 7" |
866 |
Additional information for stocking on Little Grassy Lake
Fishing Outlook ( Full PDF Report )
Click here for a list of all reports.
Species |
Rank |
Fish Status |
Very Good | Little Grassy Lake bluegill abundance in spring 2022, as measured by catch-per-unit-effort, was substantially higher at 141 per hour. The proportion of these fish larger than 6 inches was 58%, bluegill larger than 7 inches made up 20% of the sample. Average bluegill body condition was just below the desirable range. | |
Very Good | The Little Grassy Lake largemouth bass population is generally well balanced, and contains fish ranging in size from fingerlings to trophies. In 2022, bass abundance was higher-104 were collected per hour of electrofishing (goal is 60/hour). Bass quality, as measured by length, was easily within the management plan goal range with 55% larger than 12 inches and 17% over 15 inches. As is often the case in clear, infertile lakes, bass body condition (measured by relative weight) remained at the lower range of the goal but the 2021 sample included bass over 7 pounds. | |
Very Good | Little Grassy Lake redear abundance in the spring sample was higher again in 2022 at 84 per hour of electrofishing. Redear quality, based on length continued to be very impressive, with 70% of fish over 7 inches, and 62% larger than 8 inches, with several fish exceeding the 9 inch mark. Redear body condition remained just below the lower end of the management plan goal range. | |
Location: Little Grassy Lake is a deep, clear, 1000-acre impoundment located in the south portion of the Crab Orchard National Wildlife Refuge between Marion and Carbondale in Williamson County Illinois.
Description: The Little Grassy Lake fishery is cooperatively managed by the Illinois Department of Natural Resources and U.S. Fish and Wildlife Service. The lake is surrounded by forested land, has three boat ramps, and a marina.
Additional Lake Information: USFWS announces Little Grassy Lake level will be kept 4-5ft lower than normal elevation and will likely remain at this level several more months or years until main dam spillway issues can be fully evaluated. Currently there are no restrictions on fishing or boating on Little Grassy Lake, although recreation visitors are advised to be more aware of submerged objects in the water which can be a hazard to unwary boat operators.
Outboard motor limit is 10hp. A user permit is required to access the Crab Orchard National Wildlife Refuge. Information can be obtained by calling the refuge visitor center at 618-997-3344.
Site Regulations:
Largemouth bass: 12 to 15 inch protective slot limit, 6 per day creel
Channel catfish: 6 per day creel limit
Contact Information: Crab Orchard National Wildlife Refuge 618-997-3344IDNR Fisheries Biologist, Luke Nelson618-985-1112
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