How Clean Is Alpine Lake?
Alpine 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): 12.6 ft. Phosphorus: 7 µg/L. Chlorophyll-a (algae): 1.5 µg/L. Trophic State Index: 36.
Cleanliness Snapshot
| Metric | Alpine Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 12.6 ft | — |
| Phosphorus | 7 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 1.5 µg/L | <10 = clean |
| Trophic State Index | 36 | <50 = clean |
How does Alpine Lake compare?
Alpine Lake's grade of A matches or beats the Wisconsin state average of C. It ranks #1 of 16 lakes in Warren County by water quality score.