Mazonia 10 - Clear Lake
Info / Grundy County
Family Friendly
No
Handicap Access
No
Boat Fishing
Yes - Carry-in only and trolling motors only
Boat Ramps
No
Boat Rentals
No
Camping
No
Picnicking
No
Skiing
No
Swimming
No
Trout Stocking
No
Zebra Mussels
None
Location 29 acres
Fishing Outlook
Largemouth Bass
Average
The Spring 2025 Sunfish electrofishing survey resulted in a total of 77 Largemouth Bass collected ranging from 80 mm (3.1 in) to 435 mm (17.1 in), with 74 of those fish > Stock size (200 mm [8.0 in]). Average length was 348 mm (13.7 in). Catch rate was good at 1.7 fish/minute, and size structure was excellent with a PSD and PSD-P of 93 and 31, respectively.
Bluegill
Average
The Spring 2025 Sunfish electrofishing survey resulted in a total of 128 Bluegill collected ranging from 40 mm (1.6 in) to 215 mm (8.5 in), with 108 of those fish > Stock size (80 mm [3.0 in]). Average length was 107 mm (4.2 in). Bluegill catch rate was good at 2.8 fish/minute, though smaller individuals dominated the collection (particularly Stock-sized fish). Size structure of the population was mediocore with a PSD of 21 and a PSD-P of 3.
Yellow Bullhead
Good
Yellow Bullheads have been fairly prominent in most surveys and are also an underutilized resource.
Crappie spp.
Poor
Very few crappie have ever been collected from Clear Lake, but it is likely to support a small population. That fishery would not be considered noteworthy.
Redear Sunfish
Fair
The Spring 2025 Sunfish electrofishing survey resulted in just two Redear Sunfish being collected measuring 176 mm (6.9 in) and 222 mm (8.7 in). This population is likely at fairly low densities.
Channel Catfish
Fair
Channel Catfish have been collected in low numbers from Clear Lake and the fishery could be considered fair at best.
Contact
815-237-0063
Description
Clear Lake is located at the southern end of the Mazonia North Unit, and at 29.5 surface acres, is one of the larger lakes within the complex. Clear Lake is also somewhat remote, which tends to decrease angling pressure. Under normal water level conditions, Clear Lake is isolated from other lakes. Shoreline angling opportunities are extremely limited. Boat fishing is by walk-in only, and as such Clear Lake has become popular with canoeists, kayakers and belly-boaters. It is also a destination point for ice fishermen. Clear Lake is closed to fishing during upland game and waterfowl season. Following the completion of the hunting seasons, it reopens for ice fishing dependent upon ice conditions. During winter, only one entrance might be open due to road conditions.Fishery History
Due to the extremely poor access, Clear Lake can only be surveyed when suitable conditions prevail. Just such an opportunity occurred in 2014. Fish stocking has included Channel Catfish and Redear Sunfish.Site Regulations
Clear Lake has a trolling motor only regulation. Swimming is prohibited. Fishing is closed 10 days prior to the opening of the Central Zone Duck Season and reopens after the season ends. During Upland Game Season, the North Unit is open Wednesdays - Sundays (sunrise to 4:00 P.M) and closed Mondays and Tuesdays. After Upland Game Season ends, the North Unit is open 7-days a week.
Site-Specific Fishing Regulations:
- Recreational Use Restriction: Waterfowl Refuge or Hunting Area (see above)
- All Fish: 2 pole and line fishing only and each pole must not have more than 2 hooks or lures attached while fishing
- Channel Catfish: 6 Fish Daily Harvest Limit
- Large or Smallmouth Bass: 15 inch Minimum Length Limit; 3 Fish Daily Harvest Limit
- White, Black, or Hybrid Crappie: 10 Fish Daily Harvest Limit
Additional Information
Planning to eat your catch? Fish Consumption Advisory information can be found here: Fish Consumption Advisory PageBath Map
