Little Sissabagama Lake

Little Sissabagama Lake sits at the top of the Wisconsin DNR grading rubric with an A, a mark reached by the cleanest lakes in Wisconsin. clarity and phosphorus rate similarly, so there is no obvious single lever to pull on watershed management.

Mesotrophic conditions dominate at Little Sissabagama Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. Little Sissabagama Lake is unusually deep for Wisconsin at 75 ft, which buffers the lake against summer warming and helps the deep water stay oxygenated. Little Sissabagama Lake covers 308 acres alongside partial shoreline records — a mid-sized water that supports a working fishery without being so large that conditions diverge between basins. Little Sissabagama Lake ranks 18 of 50 in Sawyer County — solidly in the upper half of the local distribution.

No invasive species are currently listed at Little Sissabagama Lake — the lake remains off the Wisconsin infested-waters roster. Walleye are documented at Little Sissabagama Lake, one of 5 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.