Breda Lake

The LakeGrade rubric puts Breda Lake at a C: clarity readings still being added, 32 µg/L of phosphorus, and a TSI of 54 signal an intermediate trophic state. The three sub-grades — clarity, phosphorus, and chlorophyll-a — track close together, so no single parameter is dragging the average.

A TSI in the eutrophic range signals a lake doing what nutrient-loaded waters do — supporting an active algal community at the cost of clear water. The lake's maximum depth is not yet documented in state morphometric records — context for its physical structure remains limited. The lake's surface area is not consistently recorded across state datasets — physical context remains partial. Breda Lake sits at rank 133 of 187 in St. Louis County, in the lower half of the local distribution.

No invasive species are currently listed at Breda Lake — the lake remains off the Minnesota infested-waters roster. The state fisheries records do not list documented species for Breda Lake, which usually reflects a lack of formal fisheries survey work rather than an empty lake. The grade is based on limited monitoring — fewer than three independent measurement years contribute, so future updates may shift the letter.