How Clean Is Fountain Lake?
Fountain 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): 22 ft. Trophic State Index: 33.
Cleanliness Snapshot
| Metric | Fountain Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 22 ft | — |
| Trophic State Index | 33 | <50 = clean |
How does Fountain Lake compare?
Fountain Lake's grade of A matches or beats the Wisconsin state average of C. It ranks #4 of 28 lakes in Portage County by water quality score. Multi-year monitoring data shows water quality is improving based on 3 years of records.