Grace Lake

Grace Lake sits at the top of the Minnesota PCA grading rubric with an A, a mark reached by the cleanest lakes in Minnesota. Sub-grades cluster within a single letter of each other, which usually means the lake is in stable trophic balance rather than fighting one specific stressor.

The lake sits in the mesotrophic zone — the band where most well-managed Minnesota lakes fall. A maximum depth of 42 ft puts Grace Lake in the middle of Minnesota's depth distribution. The lake's 860 acres and 4.3 miles of shoreline put it in the mid-range bucket — large enough for varied use, small enough that watershed inputs reach the whole basin. Among the 86 graded lakes in Beltrami County, Grace Lake sits at rank 35, above the county median.

No invasive species are currently listed at Grace Lake — the lake remains off the Minnesota infested-waters roster. Walleye are documented at Grace Lake, one of 13 fish species on record for the lake. A documented public access point at Grace Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. Ice-out has been recorded 17 times at Grace Lake, with a median around Apr 27. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.