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Lake Information

County: Williamson

Acreage: 30

Recreational Amenities

Boat Fishing? Electric only

Boat Ramps? No

Boat Rental? No

Skiing? No

Swimming? No

Picnicking? No

Camping? Yes

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There are no zebra mussels in this lake.

Lake Status Summary  ( Full PDF Report )

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Fish Status


Very Good

Bluegill were collected from Arrowhead Lake during the 2022 survey at a rate of 276 per hour. Fifty-seven percent of bluegill were larger than 6 inches and 2% were larger than 7 inches. Bluegill body condition was very good



Only a few Channel catfish were collected during the 2022 Arrowhead Lake electrofishing survey. Channel catfish were in good condition and are stocked every other year to sustain the population.



Very small numbers of black and white crappie were included in the 2022 Arrowhead Lake sample. Crappie body condition remained substandard.


Very Good

Largemouth bass were collected at a rate of 84 per hour in spring 2022, well above the management plan goal of 60 per hour. Percentage of 12-inch and larger bass was very high at 73%, and this index exceeded the management plan goal for the fifth year in a row. 54% of bass sampled were larger than the upper end of the lake’s slot limit of 15 inches. Bass body condition was very good.


Very Good

Redear were less abundant than bluegill, as usual, in 2022, and 24 were collected per hour. 100% of redear sampled in 2022 were larger than 8 inches. Redear body condition remained excellent.

Location: Arrowhead Lake is located on the east edge of Johnston City, Illinois in Williamson County.

Description: Arrowhead Lake is a 30-acre, city-owned impoundment. The lake is partially surrounded by forest and has a lakefront campground, improved boat ramp, and perimeter walking trail.

Additional Lake Information: Electric motors only.

Fishing Regulations:
Largemouth bass: 12- to 15-inch protective slot; 2 bass per day under 12 inches and 1 per day over 15 inches
Channel catfish: 6 fish daily limit
Black and white crappie: 15 fish daily limit

Contact Information:
Campground: 618-983-3535
IDNR Fisheries Biologist, Luke Nelson