How Clean Is Horseshoe Lake?
Horseshoe 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): 4 ft. Phosphorus: 120 µg/L. Chlorophyll-a (algae): 44.5 µg/L. Trophic State Index: 66.
Cleanliness Snapshot
| Metric | Horseshoe Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 4 ft | — |
| Phosphorus | 120 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 44.5 µg/L | <10 = clean |
| Trophic State Index | 66 | <50 = clean |
How does Horseshoe Lake compare?
Horseshoe Lake's readings run above the Minnesota state average. It ranks #23 of 32 lakes in Stearns County on nutrient and algae readings. Multi-year monitoring data shows water quality is declining based on 4 years of records.
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