Big Butternut Lake vs Bone Lake
Water quality, depth, fish species, and recreation comparison.
Bone Lake has a higher water quality grade (A, Excellent) than Big Butternut Lake (C, Fair). Both are in Polk County, Wisconsin.
C
Big Butternut Lake
Polk County, Wisconsin
Good clarity, visible to about 14.8 ft.
A
Bone Lake
Polk County, Wisconsin
Crystal clear, you can see 24.6 ft down.
Side-by-Side Metrics
| Metric | Big Butternut Lake | Bone Lake |
|---|---|---|
| Overall Grade | C (Fair) | A (Excellent) |
| Water Clarity | 14.8 ft | 24.6 ft |
| Phosphorus | 62.1 µg/L | 20.2 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 19 ft | 43 ft |
| Surface Area | 384 acres | 1.7K acres |
| Public Access | Yes | Yes |
| Fish Species | 4 | 4 |
| Trophic State | eutrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Bone Lake wins on overall water quality with a Grade A versus Big Butternut Lake's Grade C. Water clarity: 24.6 ft vs 14.8 ft. For fishing diversity, Bone Lake also leads with 4 species.