Passenger Lake

Passenger 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 47 places Passenger Lake in the mesotrophic band — moderate productivity, with seasonal swings between clearer spring water and richer late-summer conditions. A maximum depth of 22 ft puts Passenger Lake in the middle of Minnesota's depth distribution. At 67 acres, Passenger Lake sits below the Minnesota median: a small water where shoreline activity has an outsized effect on water quality. Passenger Lake sits at rank 11 of 19 in Pine County, in the lower half of the local distribution.

Passenger Lake has no invasive species recorded in Minnesota state databases as of 2024, though prevention practices still apply at all access points. Bass fishing is part of the appeal: the species list runs to 9, anchored by largemouth and/or smallmouth bass. 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.