How Clean Is Arnegard Dam Lake?
Arnegard Dam Lake is among the cleanest lakes in Wisconsin. It received a water quality grade of A (Excellent) based on EPA monitoring data. Chlorophyll-a (algae): 3.1 µg/L. Trophic State Index: 42.
Cleanliness Snapshot
| Metric | Arnegard Dam Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Chlorophyll-a (Algae) | 3.1 µg/L | <10 = clean |
| Trophic State Index | 42 | <50 = clean |
How does Arnegard Dam Lake compare?
Arnegard Dam Lake's grade of A matches or beats the Wisconsin state average of C. It ranks #1 of 3 lakes in McKenzie County by water quality score.