How Clean Is Blue Grass Lake?
Blue Grass 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): 4.5 ft. Chlorophyll-a (algae): 12.7 µg/L. Trophic State Index: 56.
Cleanliness Snapshot
| Metric | Blue Grass Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | D |
| Water Clarity (Secchi) | 4.5 ft | — |
| Chlorophyll-a (Algae) | 12.7 µg/L | <10 = clean |
| Trophic State Index | 56 | <50 = clean |
How does Blue Grass Lake compare?
Blue Grass Lake's grade of C matches or beats the Wisconsin state average of D. It ranks #4 of 5 lakes in Scott County by water quality score.