Is Big Lake Safe for Swimming?
Big Lake in Sherburne County, Minnesota has a water quality grade of A (Excellent). Excellent for swimming — crystal clear water with minimal algae. Water clarity: 13.5 ft visibility. Phosphorus: 10.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 13.5 ft |
| Phosphorus | 10.5 μg/L |
| Maximum Depth | 48 ft |
| Location | Sherburne County, Minnesota |