Is Caldron Falls Reservoir Safe for Swimming?
Caldron Falls Reservoir in Marinette County, Wisconsin has a water quality grade of A (Excellent). Excellent for swimming, crystal clear water with minimal algae. Water clarity: 17.7 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | A (Excellent) |
| Water Clarity (Secchi Depth) | 17.7 ft |
| Maximum Depth | 40 ft |
| Location | Marinette County, Wisconsin |
How does Caldron Falls Reservoir compare?
With an overall water quality grade of A, Caldron Falls Reservoir matches or beats the Wisconsin state average of Grade B. It ranks #9 of 22 lakes in Marinette County by water quality score.
Water clarity (Secchi depth) sits at 17.7 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.