How Clean Is Sand Lake?
Sand Lake is among the cleanest lakes in Wisconsin. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 10 ft. Phosphorus: 23.8 µg/L. Chlorophyll-a (algae): 4.1 µg/L. Trophic State Index: 46.
Cleanliness Snapshot
| Metric | Sand Lake | Wisconsin avg |
|---|---|---|
| Water Clarity (Secchi) | 10 ft | — |
| Phosphorus | 23.8 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 4.1 µg/L | <10 = clean |
| Trophic State Index | 46 | <50 = clean |
How does Sand Lake compare?
Sand Lake's readings match or beat the Wisconsin state average. It ranks #7 of 45 lakes in Sawyer County on nutrient and algae readings. Multi-year monitoring data shows water quality is stable based on 7 years of records.
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