Loon Lake vs Round Lake
Water quality, depth, fish species, and recreation comparison.
Round Lake has a higher water quality grade (D, Poor) than Loon Lake (F, Very Poor). Both are in Jackson County, Minnesota.
F
Loon Lake
Jackson County, Minnesota
Very murky, less than 0.9 ft of visibility.
D
Round Lake
Jackson County, Minnesota
Very murky, less than 2 ft of visibility.
Side-by-Side Metrics
| Metric | Loon Lake | Round Lake |
|---|---|---|
| Overall Grade | F (Very Poor) | D (Poor) |
| Water Clarity | 0.9 ft | 2 ft |
| Phosphorus | 274 µg/L | 77 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 8 ft | 9 ft |
| Surface Area | 707.68 acres | 929.85 acres |
| Public Access | Yes | Yes |
| Fish Species | 18 | 17 |
| Trophic State | hypereutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Round Lake wins on overall water quality with a Grade D versus Loon Lake's Grade F. Water clarity: 2 ft vs 0.9 ft. For more fish-species variety, Loon Lake edges ahead with 18 documented species.