How Clean Is Yankton Lake?
Yankton Lake is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 0.8 ft. Phosphorus: 98 µg/L. Chlorophyll-a (algae): 20.3 µg/L. Trophic State Index: 70.
Cleanliness Snapshot
| Metric | Yankton Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 0.8 ft | — |
| Phosphorus | 98 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 20.3 µg/L | <10 = clean |
| Trophic State Index | 70 | <50 = clean |
How does Yankton Lake compare?
Yankton Lake's readings run above the Minnesota state average. It ranks #1 of 2 lakes in Lyon County on nutrient and algae readings.
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