Is Dutch Hollow Lake Safe for Swimming?
Dutch Hollow Lake in Sauk County, Wisconsin has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 15 ft visibility. Phosphorus: 13.1 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 15 ft |
| Phosphorus | 13.1 μg/L |
| Location | Sauk County, Wisconsin |
How does Dutch Hollow Lake compare?
With an overall water quality grade of A, Dutch Hollow Lake matches or beats the Wisconsin state average of Grade C. It ranks #1 of 11 lakes in Sauk County by water quality score.
Water clarity (Secchi depth) sits at 15 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.