How Clean Is Eagle Lake?
Eagle Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 22.6 ft. Phosphorus: 5 µg/L. Chlorophyll-a (algae): 1.8 µg/L. Trophic State Index: 32.
Cleanliness Snapshot
| Metric | Eagle Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 22.6 ft | — |
| Phosphorus | 5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 1.8 µg/L | <10 = clean |
| Trophic State Index | 32 | <50 = clean |
How does Eagle Lake compare?
Eagle Lake's readings match or beat the Minnesota state average. It ranks #10 of 66 lakes in Otter Tail County by water quality score. Multi-year monitoring data shows water quality is declining based on 6 years of records.
Watch Eagle Lake water quality
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