How Clean Is High Island Lake?
High Island Lake is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 2.1 ft. Phosphorus: 180 µg/L. Chlorophyll-a (algae): 14.6 µg/L. Trophic State Index: 68.
Cleanliness Snapshot
| Metric | High Island Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 2.1 ft | — |
| Phosphorus | 180 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 14.6 µg/L | <10 = clean |
| Trophic State Index | 68 | <50 = clean |
How does High Island Lake compare?
High Island Lake's readings run above the Minnesota state average. It ranks #1 of 2 lakes in Sibley County on nutrient and algae readings.
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