Catfish 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 Catfish Lake (D, Poor). Both are in Vilas County, Wisconsin.
Both Catfish 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. White Sand Lake Deep (A) is materially cleaner than Catfish Lake (D). A gap that wide is unlikely to close in a single year of remediation work; it reflects multi-decade differences in the lakes themselves.
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?
Catfish Lake
Murky, only visible to about 5.5 ft.
White Sand Lake Deep
Crystal clear, you can see 18 ft down.
Side-by-Side Metrics
| Metric | Catfish Lake | White Sand Lake Deep |
|---|---|---|
| Overall Grade | D (Poor) | A (Excellent) |
| Water Clarity | 5.5 ft | 18 ft |
| Phosphorus | No data | No data |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 30 ft | 63 ft |
| Surface Area | 1.0K 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 Catfish Lake's Grade D. Water clarity: 18 ft vs 5.5 ft. For fishing diversity, White Sand Lake Deep also leads with 0 species.