How Clean Is East Loon Lake?
East Loon Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 13.5 ft. Phosphorus: 13 µg/L. Chlorophyll-a (algae): 3.9 µg/L. Trophic State Index: 42.
Cleanliness Snapshot
| Metric | East Loon Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 13.5 ft | — |
| Phosphorus | 13 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 3.9 µg/L | <10 = clean |
| Trophic State Index | 42 | <50 = clean |
How does East Loon Lake compare?
East Loon Lake's readings match or beat the Minnesota state average. It ranks #16 of 66 lakes in Otter Tail County by water quality score. Multi-year monitoring data shows water quality is declining based on 5 years of records.
Watch East Loon Lake water quality
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