How Clean Is Lost Grove Lake?
Lost Grove Lake 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): 3.9 ft. Chlorophyll-a (algae): 15.8 µg/L. Trophic State Index: 58.
Cleanliness Snapshot
| Metric | Lost Grove Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | D |
| Water Clarity (Secchi) | 3.9 ft | — |
| Chlorophyll-a (Algae) | 15.8 µg/L | <10 = clean |
| Trophic State Index | 58 | <50 = clean |
How does Lost Grove Lake compare?
Lost Grove Lake's grade of C matches or beats the Wisconsin state average of D. It ranks #3 of 5 lakes in Scott County by water quality score.