Hospital Lake

On the LakeGrade rubric, Hospital Lake pulls an A: clarity at 18.0 ft and 11 µg/L of phosphorus put it in the top bracket for Minnesota. clarity and phosphorus rate similarly, so there is no obvious single lever to pull on watershed management.

The lake's low TSI puts it in oligotrophic territory — the cleanest of the four trophic classes, but also the most vulnerable to nutrient-driven shifts. 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. Among the 93 graded lakes in Becker County, Hospital Lake ranks 14 — in the top quartile locally.

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