How Clean Is Lake Shayne-Terre du Lac Lakes?
Lake Shayne-Terre du Lac 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): 11.1 ft. Phosphorus: 5 µg/L. Chlorophyll-a (algae): 1.2 µg/L. Trophic State Index: 34.
Cleanliness Snapshot
| Metric | Lake Shayne-Terre du Lac Lakes | Wisconsin avg |
|---|---|---|
| Overall Grade | A | C |
| Water Clarity (Secchi) | 11.1 ft | — |
| Phosphorus | 5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 1.2 µg/L | <10 = clean |
| Trophic State Index | 34 | <50 = clean |
How does Lake Shayne-Terre du Lac Lakes compare?
Lake Shayne-Terre du Lac Lakes's grade of A matches or beats the Wisconsin state average of C. It ranks #1 of 2 lakes in Washington County by water quality score.