Is Mason Lake Safe for Swimming?
Mason Lake in Adams County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 3.9 ft visibility. Phosphorus: 104.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Poor) |
| Water Clarity (Secchi Depth) | 3.9 ft |
| Phosphorus | 104.5 μg/L |
| Maximum Depth | 9 ft |
| Location | Adams County, Wisconsin |
How does Mason Lake compare?
With an overall water quality grade of D, Mason Lake falls below the Wisconsin state average of Grade B. It ranks #20 of 20 lakes in Adams County by water quality score.
Water clarity (Secchi depth) sits at 3.9 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.