Cottontail Lake vs Rock Lake Village Lake
Water quality, depth, fish species, and recreation comparison.
Rock Lake Village Lake has a higher water quality grade (B, Good) than Cottontail Lake (F, Very Poor). Both are in Wisconsin.
Both Cottontail Lake and Rock Lake Village Lake sit in Missouri. 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: Rock Lake Village Lake grades a B while Cottontail Lake grades a F. 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 — Rock Lake Village Lake 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?
Cottontail Lake
Very murky, less than 1.6 ft of visibility.
Rock Lake Village Lake
Murky, only visible to about 4.3 ft.
Side-by-Side Metrics
| Metric | Cottontail Lake | Rock Lake Village Lake |
|---|---|---|
| Overall Grade | F (Very Poor) | B (Good) |
| Water Clarity | 1.6 ft | 4.3 ft |
| Phosphorus | 86.5 µg/L | 16 µg/L |
| Chlorophyll-a (Algae) | 39.4 µg/L | 4.8 µg/L |
| Maximum Depth | - | - |
| Surface Area | 21 acres | 27 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | eutrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Rock Lake Village Lake wins on overall water quality with a Grade B versus Cottontail Lake's Grade F. Water clarity: 4.3 ft vs 1.6 ft. For fishing diversity, Rock Lake Village Lake also leads with 0 species.