How Clean Is Friends Lake?
Friends 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): 16.3 ft. Trophic State Index: 37.
Cleanliness Snapshot
| Metric | Friends Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | B |
| Water Clarity (Secchi) | 16.3 ft | — |
| Trophic State Index | 37 | <50 = clean |
How does Friends Lake compare?
Friends Lake's grade of A matches or beats the Wisconsin state average of B. It ranks #3 of 9 lakes in Warren County by water quality score.