How Clean Is Timberline Lakes?
Timberline Lakes 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): 14.3 ft. Phosphorus: 5.5 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Trophic State Index: 34.
Cleanliness Snapshot
| Metric | Timberline Lakes | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 14.3 ft | — |
| Phosphorus | 5.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 1.6 µg/L | <10 = clean |
| Trophic State Index | 34 | <50 = clean |
How does Timberline Lakes compare?
Timberline Lakes's grade of A matches or beats the Wisconsin state average of C. It ranks #3 of 4 lakes in St. Francois County by water quality score.