How Clean Is Sand Lake?
Sand Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 13.2 ft. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 3.1 µg/L. Trophic State Index: 42.
Cleanliness Snapshot
| Metric | Sand Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 13.2 ft | — |
| Phosphorus | 18 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 3.1 µg/L | <10 = clean |
| Trophic State Index | 42 | <50 = clean |
How does Sand Lake compare?
Sand Lake's readings match or beat the Minnesota state average. It ranks #10 of 72 lakes in Itasca County by water quality score.
Watch Sand Lake water quality
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