Snowbank Lake

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

A TSI near 43 places Snowbank Lake in the mesotrophic band — moderate productivity, with seasonal swings between clearer spring water and richer late-summer conditions. At 150 ft of maximum depth, Snowbank Lake stratifies reliably through the summer — the hypolimnion stays cooler and clearer than the surface layer suggests. Snowbank Lake covers 4,655 acres alongside 43.1 miles of shoreline, large enough that conditions can vary meaningfully between bays. Among the 142 graded lakes in Lake County, Snowbank Lake sits at rank 62, above the county median.

An invasive species record — spiny waterflea — has been logged at Snowbank Lake; Minnesota PCA maintains the official infested-waters list. The fishery includes walleye alongside the lake's other 11 documented species — a notable draw for Minnesota anglers. A documented public access point at Snowbank Lake makes the lake usable for shore fishing, paddle craft, and trailered boats. Ice-out has been recorded 15 times at Snowbank Lake, with a median around Apr 29. 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.