Crystal Lake

Crystal Lake earns a C — middle-of-the-pack water quality, with one or two parameters dragging the average down from a stronger grade.

A TSI near 46 places Crystal Lake in the mesotrophic band — moderate productivity, with seasonal swings between clearer spring water and richer late-summer conditions. A maximum depth of 26 ft puts Crystal Lake in the middle of Minnesota's depth distribution. The lake is compact at 31 acres, with 1.3 miles of shoreline and little volume to buffer nutrient inputs. Crystal Lake ranks 5 of 17 in Scott County — solidly in the upper half of the local distribution.

Crystal Lake has no invasive species recorded in Minnesota state databases as of 2022, though prevention practices still apply at all access points. The fishery is bass-led, with 7 documented species across the lake's records. No formal public access is documented at Crystal Lake — most use is by shoreline residents and their guests. 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.