Is Upper Clam Lake Safe for Swimming?
Upper Clam Lake in Burnett County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 2 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | F (Very Poor) |
| Water Clarity (Secchi Depth) | 2 ft |
| Maximum Depth | 11 ft |
| Location | Burnett County, Wisconsin |
How does Upper Clam Lake compare?
With an overall water quality grade of F, Upper Clam Lake falls below the Wisconsin state average of Grade C. It ranks #56 of 57 lakes in Burnett County by water quality score.
Water clarity (Secchi depth) sits at 2 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.