Is Upper Prior Lake Safe for Swimming?
Upper Prior Lake in Scott County, Minnesota has a water quality grade of C (Fair). Generally safe for swimming, moderate water quality. Water clarity: 6 ft visibility. Phosphorus: 32.7 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | C (Fair) |
| Water Clarity (Secchi Depth) | 6 ft |
| Phosphorus | 32.7 μg/L |
| Maximum Depth | 50 ft |
| Location | Scott County, Minnesota |
How does Upper Prior Lake compare?
With an overall water quality grade of C, Upper Prior Lake matches or beats the Minnesota state average of Grade C. It ranks #9 of 17 lakes in Scott County by water quality score.
Water clarity (Secchi depth) sits at 6 feet. That puts the lake in good clarity range, with limited algae interference.