Fawn Lake-Deep Hole

Fawn Lake-Deep Hole earns an A — water clarity, phosphorus, and chlorophyll-a all rate among the best monitored waters in Burnett County. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

A TSI value of 26 puts Fawn Lake-Deep Hole in the oligotrophic range, where biological productivity stays low and the water column remains clear. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. At 29 acres, Fawn Lake-Deep Hole sits below the Wisconsin median: a small water where shoreline activity has an outsized effect on water quality. Fawn Lake-Deep Hole sits at rank 46 of 70 in Burnett County, in the lower half of the local distribution.

No invasive species are currently listed at Fawn Lake-Deep Hole — the lake remains off the Wisconsin infested-waters roster. Bass fishing is part of the appeal: the species list runs to 3, anchored by largemouth and/or smallmouth bass. 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.