North Turtle Lake vs South Turtle Lake
Water quality, depth, fish species, and recreation comparison.
South Turtle Lake has a higher water quality grade (B, Good) than North Turtle Lake (D, Poor). Both are in Otter Tail County, Minnesota.
D
North Turtle Lake
Otter Tail County, Minnesota
Murky, only visible to about 3.8 ft.
B
South Turtle Lake
Otter Tail County, Minnesota
Good clarity, visible to about 14.1 ft.
Side-by-Side Metrics
| Metric | North Turtle Lake | South Turtle Lake |
|---|---|---|
| Overall Grade | D (Poor) | B (Good) |
| Water Clarity | 3.8 ft | 14.1 ft |
| Phosphorus | 63 µg/L | 20 µg/L |
| Chlorophyll-a (Algae) | No data | No data |
| Maximum Depth | 19 ft | 35 ft |
| Surface Area | 1.8K acres | 836.57 acres |
| Public Access | Yes | Yes |
| Fish Species | 12 | 13 |
| Trophic State | eutrophic | mesotrophic |
Bold value = better for that metric (lower phosphorus / chlorophyll = cleaner; higher Secchi / depth / species count = better).
Verdict
South Turtle Lake wins on overall water quality with a Grade B versus North Turtle Lake's Grade D. Water clarity: 14.1 ft vs 3.8 ft. For fishing diversity, South Turtle Lake also leads with 13 species.