How Clean Is Fremont Lake?
Fremont Lake is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 3 ft. Phosphorus: 40 µg/L. Chlorophyll-a (algae): 17.3 µg/L. Trophic State Index: 59.
Cleanliness Snapshot
| Metric | Fremont Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 3 ft | — |
| Phosphorus | 40 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 17.3 µg/L | <10 = clean |
| Trophic State Index | 59 | <50 = clean |
How does Fremont Lake compare?
Fremont Lake's readings run above the Minnesota state average. It ranks #11 of 18 lakes in Sherburne County on nutrient and algae readings. Multi-year monitoring data shows water quality is improving based on 3 years of records.
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