Birch Island Lake vs Johnson Lake
Water quality, depth, fish species, and recreation comparison.
Birch Island Lake and Johnson Lake both received the same overall water quality grade of A (Excellent). Both are in Burnett County, Wisconsin.
A
Birch Island Lake
Burnett County, Wisconsin
Crystal clear, you can see 26.2 ft down.
A
Johnson Lake
Burnett County, Wisconsin
Crystal clear, you can see 36.9 ft down.
Side-by-Side Metrics
| Metric | Birch Island Lake | Johnson Lake |
|---|---|---|
| Overall Grade | A (Excellent) | A (Excellent) |
| Water Clarity | 26.2 ft | 36.9 ft |
| Phosphorus | 13.7 µg/L | 14.1 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | 23 ft |
| Surface Area | 768 acres | 399 acres |
| Public Access | Yes | Yes |
| Fish Species | 3 | 3 |
| Trophic State | oligotrophic | oligotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade A. The tiebreakers come down to clarity (Birch Island Lake: 26.2 ft, Johnson Lake: 36.9 ft) and what you want from the lake. Birch Island Lake matches its peer on species count.