Big Swan Lake vs Francis Lake
Water quality, depth, fish species, and recreation comparison.
Francis Lake has a higher water quality grade (C, Fair) than Big Swan Lake (D, Poor). Both are in Meeker County, Minnesota.
D
Big Swan Lake
Meeker County, Minnesota
Very murky, less than 2.5 ft of visibility.
C
Francis Lake
Meeker County, Minnesota
Murky, only visible to about 6 ft.
Side-by-Side Metrics
| Metric | Big Swan Lake | Francis Lake |
|---|---|---|
| Overall Grade | D (Poor) | C (Fair) |
| Water Clarity | 2.5 ft | 6 ft |
| Phosphorus | 84 µg/L | 25 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 32 ft | 17 ft |
| Surface Area | 683.85 acres | 1.1K acres |
| Public Access | Yes | Yes |
| Fish Species | 23 | 14 |
| Trophic State | eutrophic | eutrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Francis Lake wins on overall water quality with a Grade C versus Big Swan Lake's Grade D. Water clarity: 6 ft vs 2.5 ft. For more fish-species variety, Big Swan Lake edges ahead with 23 documented species.