Little St Germain Lake vs White Sand Lake Deep
Water quality, depth, fish species, and recreation comparison.
White Sand Lake Deep has a higher water quality grade (A, Excellent) than Little St Germain Lake (C, Fair). Both are in Vilas County, Wisconsin.
Both Little St Germain Lake and White Sand Lake Deep 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 meaningfully apart: White Sand Lake Deep grades a A while Little St Germain Lake grades a C. That two-letter spread reflects real underlying differences — different watershed inputs, different depth profiles, or different monitoring rigor.
For a recreational visitor, the wider grade gap is decisive — White Sand Lake Deep is the better water-quality choice. For a researcher, the gap is the interesting part: what is different about the two watersheds, and which of those differences is mutable?
Little St Germain Lake
Murky, only visible to about 3.5 ft.
White Sand Lake Deep
Crystal clear, you can see 18 ft down.
Side-by-Side Metrics
| Metric | Little St Germain Lake | White Sand Lake Deep |
|---|---|---|
| Overall Grade | C (Fair) | A (Excellent) |
| Water Clarity | 3.5 ft | 18 ft |
| Phosphorus | 45.4 µg/L | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 53 ft | 63 ft |
| Surface Area | 972 acres | 1.2K acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | eutrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
White Sand Lake Deep wins on overall water quality with a Grade A versus Little St Germain Lake's Grade C. Water clarity: 18 ft vs 3.5 ft. For fishing diversity, White Sand Lake Deep also leads with 0 species.