Is Port Perry Lake Safe for Swimming?
Port Perry Lake in Perry County, Wisconsin has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 12 ft visibility. Phosphorus: 8.3 µg/L. Chlorophyll-a (algae): 2.1 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 12 ft |
| Phosphorus | 8.3 μg/L |
| Chlorophyll-a (Algae) | 2.1 μg/L |
| Location | Perry County, Wisconsin |
How does Port Perry Lake compare?
With an overall water quality grade of A, Port Perry Lake matches or beats the Wisconsin state average of Grade C. It ranks #1 of 3 lakes in Perry County by water quality score.
Water clarity (Secchi depth) sits at 12 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae. Algae levels (chlorophyll-a) measure 2.1 µg/L — low and well within safe swimming guidelines.