Is Oslo Lake Safe for Swimming?
Oslo Lake in St. Louis County, Minnesota has a water quality grade of C (Fair). Generally safe for swimming — moderate water quality. Water clarity: 9.2 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 9.2 ft |
| Maximum Depth | 36 ft |
| Location | St. Louis County, Minnesota |