
Is Lake Kegonsa Safe for Swimming?
Lake Kegonsa in Dane County, Wisconsin has a water quality grade of D (Nutrient-rich). Nutrients and algae run higher than average — check local advisories before swimming, and skip the water if you see scum. Water clarity: 3.7 ft visibility. Phosphorus: 59.5 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Overall Grade | D (Nutrient-rich) |
| Water Clarity (Secchi Depth) | 3.7 ft |
| Phosphorus | 59.5 μg/L |
| Maximum Depth | 32 ft |
| Location | Dane County, Wisconsin |
How does Lake Kegonsa compare?
With an overall water quality grade of D, Lake Kegonsa falls below the Wisconsin state average of Grade B. It ranks #6 of 15 lakes in Dane County by water quality score.
Water clarity (Secchi depth) sits at 3.7 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment.
Watch Lake Kegonsa water quality
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