Is Upper Clam Lake Safe for Swimming?
Upper Clam Lake in Burnett County, Wisconsin is not rated for water quality — its monitoring record does not meet the evidence bar. Not rated for swimming — there is not enough monitoring data to judge this lake. Water clarity: 2 ft visibility. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | NR (Not rated) |
| Water Clarity (Secchi Depth) | 2 ft |
| Maximum Depth | 11 ft |
| Location | Burnett County, Wisconsin |
How does Upper Clam Lake compare?
Upper Clam Lake is not rated for water quality — its monitoring record does not meet the evidence bar, so it is not compared with the Wisconsin state average.
Water clarity (Secchi depth) sits at 2 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.