How Clean Is Lake Kegonsa?
Lake Kegonsa is a clean lake by Wisconsin standards. It received a water quality grade of B (Good) based on EPA monitoring data. Water clarity (Secchi depth): 12.3 ft. Phosphorus: 59.5 µg/L. Trophic State Index: 52.
Cleanliness Snapshot
| Metric | Lake Kegonsa | Wisconsin avg |
|---|---|---|
| Overall Grade | B | B |
| Water Clarity (Secchi) | 12.3 ft | — |
| Phosphorus | 59.5 µg/L | <30 = clean |
| Trophic State Index | 52 | <50 = clean |
How does Lake Kegonsa compare?
Lake Kegonsa's grade of B matches or beats the Wisconsin state average of B. It ranks #5 of 23 lakes in Dane County by water quality score. Multi-year monitoring data shows water quality is stable based on 7 years of records.