Is Wel-01 Lake Safe for Swimming?
Wel-01 Lake in Washington County, Wisconsin has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 15.6 ft visibility. Chlorophyll-a (algae): 2.6 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 15.6 ft |
| Chlorophyll-a (Algae) | 2.6 μg/L |
| Location | Washington County, Wisconsin |
How does Wel-01 Lake compare?
With an overall water quality grade of A, Wel-01 Lake matches or beats the Wisconsin state average of Grade D. It ranks #1 of 4 lakes in Washington County by water quality score.
Water clarity (Secchi depth) sits at 15.6 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae. Algae levels (chlorophyll-a) measure 2.6 µg/L — low and well within safe swimming guidelines.