Birch Island Lake vs Clam Lake
Water quality, depth, fish species, and recreation comparison.
Birch Island Lake has a higher water quality grade (A, Excellent) than Clam Lake (C, Fair). Both are in Burnett County, Wisconsin.
A
Birch Island Lake
Burnett County, Wisconsin
Crystal clear, you can see 26.2 ft down.
C
Clam Lake
Burnett County, Wisconsin
Moderate clarity, visible to about 9.8 ft.
Side-by-Side Metrics
| Metric | Birch Island Lake | Clam Lake |
|---|---|---|
| Overall Grade | A (Excellent) | C (Fair) |
| Water Clarity | 26.2 ft | 9.8 ft |
| Phosphorus | 13.7 µg/L | 66 µg/L |
| Chlorophyll-a (Algae) | No data | 13 µg/L |
| Maximum Depth | - | 11 ft |
| Surface Area | 768 acres | 1.3K acres |
| Public Access | Yes | Yes |
| Fish Species | 3 | 7 |
| Trophic State | oligotrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Birch Island Lake wins on overall water quality with a Grade A versus Clam Lake's Grade C. Water clarity: 26.2 ft vs 9.8 ft. For more fish-species variety, Clam Lake edges ahead with 7 documented species.