Big Swan Lake vs Long Lake
Water quality, depth, fish species, and recreation comparison.
Long Lake has a higher water quality grade (B, Good) than Big Swan Lake (C, Fair). Both are in Todd County, Minnesota.
C
Big Swan Lake
Todd County, Minnesota
Moderate clarity, visible to about 8.9 ft.
B
Long Lake
Todd County, Minnesota
Good clarity, visible to about 10 ft.
Side-by-Side Metrics
| Metric | Big Swan Lake | Long Lake |
|---|---|---|
| Overall Grade | C (Fair) | B (Good) |
| Water Clarity | 8.9 ft | 10 ft |
| Phosphorus | No data | 25 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 45 ft | 63 ft |
| Surface Area | 946.56 acres | 398.67 acres |
| Public Access | Yes | Yes |
| Fish Species | 16 | 16 |
| Trophic State | mesotrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Long Lake wins on overall water quality with a Grade B versus Big Swan Lake's Grade C. Water clarity: 10 ft vs 8.9 ft. For fishing diversity, Long Lake also leads with 16 species.