Bealeau Lake

Bealeau Lake earns an A — every scored parameter (clarity and phosphorus) rates among the best monitored waters in Shawano County. clarity and phosphorus rate similarly, so there is no obvious single lever to pull on watershed management.

Mesotrophic conditions dominate at Bealeau Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. Bealeau Lake reaches 24 ft at its deepest point — typical for Wisconsin mid-sized lakes, with seasonal stratification but limited cold-water refuge. At 27 acres, Bealeau Lake sits below the Wisconsin median: a small water where shoreline activity has an outsized effect on water quality. Among the 27 graded lakes in Shawano County, Bealeau Lake sits at rank 8, above the county median.

Bealeau Lake carries an invasive watermilfoil record — boat-launch decontamination and shoreline care matter more here than at uninfested lakes. Walleye are documented at Bealeau Lake, one of 4 fish species on record for the lake. Monitoring depth is thin here: the LakeGrade rubric is applied to a small number of sample years, and the grade will be revised as more data accumulates.