How Clean Is Sandwick Lake?
Sandwick Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 11.6 ft. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 3.7 µg/L. Trophic State Index: 41.
Cleanliness Snapshot
| Metric | Sandwick Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 11.6 ft | — |
| Phosphorus | 11 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 3.7 µg/L | <10 = clean |
| Trophic State Index | 41 | <50 = clean |
How does Sandwick Lake compare?
Sandwick Lake's readings match or beat the Minnesota state average. It ranks #42 of 72 lakes in Itasca County on nutrient and algae readings.
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