Is Grindle Lake Safe for Swimming?
Grindle Lake in Oconto County, Wisconsin has a water quality grade of B (Good). Good for swimming, clear water with low algae levels. Water clarity: 9 ft visibility. Phosphorus: 12.4 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | B (Good) |
| Water Clarity (Secchi Depth) | 9 ft |
| Phosphorus | 12.4 μg/L |
| Location | Oconto County, Wisconsin |
How does Grindle Lake compare?
With an overall water quality grade of B, Grindle Lake matches or beats the Wisconsin state average of Grade C. It ranks #37 of 62 lakes in Oconto County by water quality score.
Water clarity (Secchi depth) sits at 9 feet. That puts the lake in good clarity range, with limited algae interference.