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Lake Information

County: Perry

Acreage: 40

Recreational Amenities

Boat Ramps? Yes

Boat Rental? No

Skiing? No

Swimming? No

There are no zebra mussels in this lake.

Location: Pyramid State Park is located south of Pinckneyville in Perry County.

History and Status of the Sport Fishery: No fish community survey has ever been conducted on Boulder Lake. However, a survey is planned for 2022 and will be repeated every three years. Preliminary evidence gathered from fish contaminant collections during 2020 suggests that the lake suffers from overabundant aquatic vegetation and an associated lack of nutrients in the water column. As a consequence, sport fishes collected during fish contaminant collections appeared to be in poor condition. Results from an initial survey in 2022 will provide more insight into fish population dynamics in the lake.

Additional Lake Information: Note: There is no motor HP limit, but all boats must be operated at no wake speed.

Site-specific Regulations:
Largemouth bass: 5 fish under 14” and fish 1 over 18” limit, 14–18 inch protected slot (no possession)
Channel catfish: 6 fish daily limit

2 pole and line fishing only and bowfishing is allowed.

Fishing is allowed on this lake year-round.

Contact Information:
Pyramid State Park:
IDNR Fisheries Biologist, Nick Abell