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Lake Information

County: Bureau

Acreage: 16

Average Depth: 33.99 feet

Recreational Amenities

Boat Fishing? Yes

Boat Ramps? Yes

Boat Rental? No

Skiing? No

Swimming? No

Picnicking? No

Camping? No

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There are no zebra mussels in this lake.

Lake Status Summary  ( Full PDF Report )

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Fish Status



Boss Lake supports an excellent Bluegill fishery that has great trophy fish opportunities. Bluegill up to 9 inches can be found in Boss Lake, with good numbers of fish from 6-9 inches available.



The fish sampled in 2022 was very similar to previous years. The population is dominated by fish in the 12-15 inch range, with a few fish over 15 inches available.



Smallmouth Bass sampled in 2022 accounted for 8% of the total Black Bass sampled, up from 4% in 2019. Population information should be used with caution due to low sample numbers.

Location: Boss Lake is located just south of Sheffield or 3 miles west of Buda, within the Mautino State Fish and Wildlife Area.

Description: Boss Lake was created by strip-mining in the 1950s. he lake did not open to the public until 1994 because of lack of roads and restroom facilities. Boss Lake has 15.5 surface acres of water. The lake has an average depth of 34 feet deep and a max depth of 48 feet. A single lane concrete boat ramp with car/trailer parking is available.

History and Status of the Sport Fishery: The fishery is managed by species-specific surveys and fish stocking. Boss Lake receives an annual stocking of Channel Catfish, Smallmouth Bass and Redear Sunfish.

Boss Lake supports a variety of fish species which include sunfish (redear and green sunfish), smallmouth bass, channel catfish, yellow bullhead and others.

Additional Lake Information: All Fish: 2 Pole and Line Fishing Only
Large or Smallmouth Bass: 1 fish daily limit; 14" minimum length limit
Bluegill or Redear Sunfish: 10 fish daily limit; no minimum length limit
Channel Catfish: 6 fish daily limit; no minimum length limit
Walleye, Sauger, or Hybrid Walleye:tate Wide Regulations
White, Black, or Hybrid Crappie: No daily limit; no minimum length limit

Contact Information:
Hennepin Canal Parkway State Park
16006-875 E St. Sheffield Il 61361
IDNR Fisheries Biologist, David Wyffels