How Clean Is Little Spirit Lake?
Little Spirit Lake has poor water quality, with elevated phosphorus and algae. It received a water quality grade of D (Poor) based on EPA monitoring data. Water clarity (Secchi depth): 3.3 ft. Phosphorus: 168 µg/L. Chlorophyll-a (algae): 15 µg/L. Trophic State Index: 65.
Cleanliness Snapshot
| Metric | Little Spirit Lake | Minnesota avg |
|---|---|---|
| Overall Grade | D | C |
| Water Clarity (Secchi) | 3.3 ft | — |
| Phosphorus | 168 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 15 µg/L | <10 = clean |
| Trophic State Index | 65 | <50 = clean |
How does Little Spirit Lake compare?
Little Spirit Lake's grade of D falls below the Minnesota state average of C. It ranks #3 of 7 lakes in Jackson County by water quality score. Multi-year monitoring data shows water quality is improving based on 5 years of records.