How Clean Is Castlenovo Lake?
Castlenovo Lake 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): 6 ft. Phosphorus: 16.8 µg/L. Chlorophyll-a (algae): 2.9 µg/L. Trophic State Index: 46.
Cleanliness Snapshot
| Metric | Castlenovo Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 6 ft | — |
| Phosphorus | 16.8 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 2.9 µg/L | <10 = clean |
| Trophic State Index | 46 | <50 = clean |
How does Castlenovo Lake compare?
Castlenovo Lake's grade of B matches or beats the Wisconsin state average of C. It ranks #5 of 16 lakes in Warren County by water quality score.