Skip to main content
LakeQuality

L St Germain Lk Site K @ S. Bay Lake vs Little St. Germain Lk-South Bay-Nr St. Germain Lake

Water quality, depth, fish species, and recreation comparison.

L St Germain Lk Site K @ S. Bay Lake has a higher water quality grade (B, Good) than Little St. Germain Lk-South Bay-Nr St. Germain Lake (C, Fair). Both are in Vilas County, Wisconsin.

Both L St Germain Lk Site K @ S. Bay Lake and Little St. Germain Lk-South Bay-Nr St. Germain Lake sit in Wisconsin. A same-state comparison strips out the state-level water-quality regime as a variable: any grade differences here are about the lakes themselves, not the agencies grading them. The grades are close: L St Germain Lk Site K @ S. Bay Lake (B) and Little St. Germain Lk-South Bay-Nr St. Germain Lake (C) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.

With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.

B

No clarity data.

No clarity data.

Side-by-Side Metrics

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

Source: EPA National Aquatic Resource Surveys, 2026.

MetricL St Germain Lk Site K @ S. Bay LakeLittle St. Germain Lk-South Bay-Nr St. Germain Lake
Overall GradeB (Good)C (Fair)
Water ClarityNo dataNo data
Phosphorus27 µg/L33.5 µg/L
Chlorophyll-a (Algae)No dataNo data
Maximum Depth53 ft53 ft
Surface Area972 acres972 acres
Public AccessUnknownUnknown
Fish Species00
Trophic Stateeutrophiceutrophic

Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).

Verdict

L St Germain Lk Site K @ S. Bay Lake wins on overall water quality with a Grade B versus Little St. Germain Lk-South Bay-Nr St. Germain Lake's Grade C. For fishing diversity, L St Germain Lk Site K @ S. Bay Lake also leads with 0 species.