Robinson Lake

Robinson Lake earns a D — measurements through 2023 show persistent nutrient pressure that limits clarity through the summer.

At a TSI of 52, Robinson Lake reads as eutrophic — nutrient-rich enough that summer algal growth and reduced clarity are expected, not unusual. 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. Robinson Lake ranks 2 of 2 in Wabasha County — at the lower end of the locally monitored distribution.

Zebra mussel presence at Robinson Lake means the lake's clarity numbers carry an asterisk — filtered water is not the same as nutrient-poor water. The state fisheries records do not list documented species for Robinson Lake, which usually reflects a lack of formal fisheries survey work rather than an empty lake. Public access is available — the lake is on the Minnesota PCA public-access list. 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.