Wanless Lake

Wanless Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season. Secchi readings are the weakest of the three parameters, suggesting suspended sediment or algal biomass dominates the optical signal.

Mesotrophic conditions dominate at Wanless Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. A maximum depth of 16 ft puts Wanless Lake in the middle of Minnesota's depth distribution. Wanless Lake is small — 78 acres alongside 1.9 miles of shoreline — which makes it sensitive to even modest changes in watershed runoff or recreational pressure. Wanless Lake sits at rank 87 of 142 in Lake County, in the lower half of the local distribution.

No invasive species are currently listed at Wanless Lake — the lake remains off the Minnesota infested-waters roster. 3 fish species are documented at Wanless Lake, a mixed warm-water community typical for Minnesota lakes of this size. The lake lacks a documented public access point, so visitor use is limited. 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.