Esther Lake

Esther Lake carries a solid B grade — strong on most parameters, with measurements that hold up well across the summer season.

The lake sits in the mesotrophic zone — the band where most well-managed Minnesota lakes fall. The lake bottoms out at 35 ft — a moderate depth that supports a warm-water fishery without the year-round cold refuge a deeper basin provides. The lake is compact at 78 acres, with 3.1 miles of shoreline and little volume to buffer nutrient inputs. Among the 128 graded lakes in Cook County, Esther Lake sits at rank 42, above the county median.

No invasive species are currently listed at Esther Lake — the lake remains off the Minnesota infested-waters roster. 3 fish species are documented at Esther Lake, a mixed warm-water community typical for Minnesota lakes of this size. A documented public access point at Esther Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.