South Long Lake vs Upper South Long Lake
Water quality, depth, fish species, and recreation comparison.
South Long Lake and Upper South Long Lake both received the same overall water quality grade of B (Good). Both are in Crow Wing County, Minnesota.
B
South Long Lake
Crow Wing County, Minnesota
Moderate clarity, visible to about 8.5 ft.
B
Upper South Long Lake
Crow Wing County, Minnesota
Murky, only visible to about 6 ft.
Side-by-Side Metrics
| Metric | South Long Lake | Upper South Long Lake |
|---|---|---|
| Overall Grade | B (Good) | B (Good) |
| Water Clarity | 8.5 ft | 6 ft |
| Phosphorus | 24 µg/L | 17 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 47 ft | 47 ft |
| Surface Area | 1.3K acres | 804.31 acres |
| Public Access | Yes | Yes |
| Fish Species | 17 | 16 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Both lakes earn the same Grade B. The tiebreakers come down to clarity (South Long Lake: 8.5 ft, Upper South Long Lake: 6 ft) and what you want from the lake. South Long Lake supports more documented fish species.