How Clean Is Little Prairie Lake?
Little Prairie 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): 8.6 ft. Phosphorus: 54 µg/L. Chlorophyll-a (algae): 8.9 µg/L. Trophic State Index: 53.
Cleanliness Snapshot
| Metric | Little Prairie Lake | Wisconsin avg |
|---|---|---|
| Overall Grade | C | C |
| Water Clarity (Secchi) | 8.6 ft | — |
| Phosphorus | 54 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 8.9 µg/L | <10 = clean |
| Trophic State Index | 53 | <50 = clean |
How does Little Prairie Lake compare?
Little Prairie Lake's grade of C matches or beats the Wisconsin state average of C. It ranks #2 of 3 lakes in Phelps County by water quality score.