Loon Lake vs Minerva Lake
Water quality, depth, fish species, and recreation comparison.
Minerva Lake has a higher water quality grade (A, Excellent) than Loon Lake (B, Good). Both are in Burnett County, Wisconsin.
Loon Lake and Minerva Lake are both in Wisconsin — a same-state head-to-head where the comparison comes down to lake-specific differences in depth, watershed, and monitoring history rather than the broader state-level water-quality regime. The grades are close: Loon Lake (B) and Minerva Lake (A) are within one letter of each other on the LakeGrade rubric. The per-parameter sub-grades below will show where the small differences actually live.
With grades this close, the choice between the two lakes turns on non-water-quality factors: depth, fish species, public access, distance from home. The per-lake pages below cover all of those.
Loon Lake
Moderate clarity, visible to about 8.5 ft.
Minerva Lake
Good clarity, visible to about 10.5 ft.
Side-by-Side Metrics
| Metric | Loon Lake | Minerva Lake |
|---|---|---|
| Overall Grade | B (Good) | A (Excellent) |
| Water Clarity | 8.5 ft | 10.5 ft |
| Phosphorus | 15.1 µg/L | 16.3 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | - | - |
| Surface Area | 228 acres | 245 acres |
| Public Access | Unknown | Unknown |
| Fish Species | 0 | 0 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Minerva Lake wins on overall water quality with a Grade A versus Loon Lake's Grade B. Water clarity: 10.5 ft vs 8.5 ft. For fishing diversity, Minerva Lake also leads with 0 species.