How Clean Is Sugar Lake?
Sugar Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 13.5 ft. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 7 µg/L. Trophic State Index: 45.
Cleanliness Snapshot
| Metric | Sugar Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 13.5 ft | — |
| Phosphorus | 18 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 7 µg/L | <10 = clean |
| Trophic State Index | 45 | <50 = clean |
How does Sugar Lake compare?
Sugar Lake's readings match or beat the Minnesota state average. It ranks #48 of 104 lakes in Cass County by water quality score. Multi-year monitoring data shows water quality is improving based on 4 years of records.
Watch Sugar Lake water quality
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