How Clean Is Lake of the Hills?
Lake of the Hills has fair water quality — typical of lakes with moderate nutrient enrichment. It received a water quality grade of C (Fair) based on EPA monitoring data. Water clarity (Secchi depth): 5.1 ft. Chlorophyll-a (algae): 16.8 µg/L. Trophic State Index: 56.
Cleanliness Snapshot
| Metric | Lake of the Hills | Wisconsin avg |
|---|---|---|
| Overall Grade | C | D |
| Water Clarity (Secchi) | 5.1 ft | — |
| Chlorophyll-a (Algae) | 16.8 µg/L | <10 = clean |
| Trophic State Index | 56 | <50 = clean |
How does Lake of the Hills compare?
Lake of the Hills's grade of C matches or beats the Wisconsin state average of D. It ranks #5 of 5 lakes in Scott County by water quality score.