Is Lake Dubay Safe for Swimming?
Lake Dubay in Marathon County, Wisconsin has nutrient and algae measurements on record from state and federal monitoring. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.. Water clarity: 2.5 ft visibility. Phosphorus: 64.9 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 2.5 ft |
| Phosphorus | 64.9 μg/L |
| Location | Marathon County, Wisconsin |
How does Lake Dubay compare?
On nutrient and algae readings, Lake Dubay runs above the Wisconsin state average. It ranks #4 of 4 lakes in Marathon County on nutrient and algae readings.
Water clarity (Secchi depth) sits at 2.5 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.
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