Big Pine Lake vs Marion Lake
Water quality, depth, fish species, and recreation comparison.
Marion Lake has a higher water quality grade (A, Excellent) than Big Pine Lake (B, Good). Both are in Otter Tail County, Minnesota.
B
Big Pine Lake
Otter Tail County, Minnesota
Moderate clarity, visible to about 7 ft.
A
Marion Lake
Otter Tail County, Minnesota
Good clarity, visible to about 11 ft.
Side-by-Side Metrics
| Metric | Big Pine Lake | Marion Lake |
|---|---|---|
| Overall Grade | B (Good) | A (Excellent) |
| Water Clarity | 7 ft | 11 ft |
| Phosphorus | 27 µg/L | 18 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 76 ft | 62 ft |
| Surface Area | 4.7K acres | 1.6K acres |
| Public Access | Yes | Yes |
| Fish Species | 20 | 17 |
| Trophic State | eutrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
Marion Lake wins on overall water quality with a Grade A versus Big Pine Lake's Grade B. Water clarity: 11 ft vs 7 ft. For more fish-species variety, Big Pine Lake edges ahead with 20 documented species.