Is Maple Lake Safe for Swimming?
Maple Lake in Douglas County, Minnesota has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 13.7 ft visibility. Phosphorus: 15 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 13.7 ft |
| Phosphorus | 15 μg/L |
| Maximum Depth | 78 ft |
| Location | Douglas County, Minnesota |
How does Maple Lake compare?
With an overall water quality grade of A, Maple Lake matches or beats the Minnesota state average of Grade C. It ranks #15 of 51 lakes in Douglas County by water quality score.
Water clarity (Secchi depth) sits at 13.7 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.