How Clean Is Loon Lake?
Loon Lake is algae-prone, with a higher bloom risk in warm months. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 0.9 ft. Phosphorus: 274 µg/L. Chlorophyll-a (algae): 110 µg/L. Trophic State Index: 80.
Cleanliness Snapshot
| Metric | Loon Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 0.9 ft | — |
| Phosphorus | 274 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 110 µg/L | <10 = clean |
| Trophic State Index | 80 | <50 = clean |
How does Loon Lake compare?
Loon Lake's readings run above the Minnesota state average. It ranks #5 of 6 lakes in Jackson County on nutrient and algae readings. Multi-year monitoring data shows water quality is improving based on 2 years of records.
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