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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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Maps are not intended for navigation.

There are no zebra mussels in this lake.

Fish Stocking






Channel Catfish

Advanced Fingerling 4 - 7"


Additional information for stocking on Arrowhead Lake

Fishing Outlook  ( Full PDF Report )

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Fish Status


Very Good

Bluegill were collected from Arrowhead Lake during the 2021 survey at a rate of 388 per hour, which was much higher than the previous ten years. Fifty-six percent of bluegill were larger than 6 inches. Bluegill body condition was very good.



Channel catfish were collected at a rate of 10 per hour during the 2021 Arrowhead Lake electrofishing survey, a slight decrease compared to the previous year. Channel catfish were in fair condition. Channel catfish are stocked every other year to sustain the population.Site Regulation: 6 fish daily limit



Very small numbers of black and white crappie were included in the 2021 Arrowhead Lake sample. Crappie body condition remained substandard. Site Regulation: 15 fish daily limit.


Very Good

Largemouth bass were collected at a rate of 32 per hour in spring 2021 dipping below the management plan goal of 60 per hour. Percentage of 12-inch and larger bass was very high at 70%, and this index exceeded the management plan goal for the fourth year in a row. 47% of bass sampled were larger than the upper end of the lake’s slot limit of 15 inches. Bass body condition was right at management goals. Site Regulation: 12 to 15-inch protective slot; 2 bass per day under 12 inches and 1 per day over 15 inches.


Very Good

Redear were less abundant than bluegill and 72 were collected per hour. Ninety-four percent of redear were larger than 7 inches in length, and 55% were larger than 8 inches. Redear body condition remained good.

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