How Clean Is Lake Audubon?
Lake Audubon 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): 4.7 ft. Chlorophyll-a (algae): 4.7 µg/L. Trophic State Index: 50.
Cleanliness Snapshot
| Metric | Lake Audubon | Wisconsin avg |
|---|---|---|
| Overall Grade | B | C |
| Water Clarity (Secchi) | 4.7 ft | — |
| Chlorophyll-a (Algae) | 4.7 µg/L | <10 = clean |
| Trophic State Index | 50 | <50 = clean |
How does Lake Audubon compare?
Lake Audubon's grade of B matches or beats the Wisconsin state average of C. It ranks #2 of 3 lakes in McLean County by water quality score.