Is Rainy Lake Safe for Swimming?
Rainy Lake in St. Louis County, Minnesota has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 5.9 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 5.9 ft |
| Maximum Depth | 161 ft |
| Location | St. Louis County, Minnesota |