Is O'Leary Lake Safe for Swimming?
O'Leary Lake in St. Louis County, Minnesota has a water quality grade of B (Good). Good for swimming — clear water with low algae levels. Water clarity: 10.7 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 10.7 ft |
| Maximum Depth | 52 ft |
| Location | St. Louis County, Minnesota |