Is Ten Mile Lake Safe for Swimming?
Ten Mile Lake in Otter Tail County, Minnesota has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 13.6 ft visibility. Phosphorus: 24 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 13.6 ft |
| Phosphorus | 24 μg/L |
| Maximum Depth | 51 ft |
| Location | Otter Tail County, Minnesota |
How does Ten Mile Lake compare?
With an overall water quality grade of B, Ten Mile Lake matches or beats the Minnesota state average of Grade C. It ranks #56 of 97 lakes in Otter Tail County by water quality score.
Water clarity (Secchi depth) sits at 13.6 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.