How Clean Is Nine Eagles Lake?
Nine Eagles Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Water clarity (Secchi depth): 11 ft. Chlorophyll-a (algae): 3.3 µg/L. Trophic State Index: 43.
Cleanliness Snapshot
| Metric | Nine Eagles Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | D |
| Water Clarity (Secchi) | 11 ft | — |
| Chlorophyll-a (Algae) | 3.3 µg/L | <10 = clean |
| Trophic State Index | 43 | <50 = clean |
How does Nine Eagles Lake compare?
Nine Eagles Lake's grade of A matches or beats the Wisconsin state average of D. It ranks #1 of 3 lakes in Decatur County by water quality score.