Ensign Lake

Ensign Lake comes in at a B on the grading rubric — a respectable showing for a Minnesota lake of its size and depth. 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.

Mesotrophic conditions dominate at Ensign Lake: enough nutrients for a healthy fishery, not so much that algal blooms become a chronic problem. Ensign Lake reaches 30 ft at its deepest point — typical for Minnesota mid-sized lakes, with seasonal stratification but limited cold-water refuge. At 1,411 acres, Ensign Lake is one of the larger lakes in Lake County, with 27.9 miles of shoreline supporting multiple distinct use patterns. Ensign Lake ranks 48 of 142 in Lake County — solidly in the upper half of the local distribution.

Ensign Lake has no invasive species recorded in Minnesota state databases as of 2023, though prevention practices still apply at all access points. The fishery includes walleye alongside the lake's other 9 documented species — a notable draw for Minnesota anglers. 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.