How Clean Is Sugar Lake?
Sugar Lake has fair water quality — typical of lakes with moderate nutrient enrichment. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 8.4 ft. Phosphorus: 18 µg/L. Chlorophyll-a (algae): 4.9 µg/L. Trophic State Index: 46.
Cleanliness Snapshot
| Metric | Sugar Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 8.4 ft | — |
| Phosphorus | 18 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 4.9 µg/L | <10 = clean |
| Trophic State Index | 46 | <50 = clean |
How does Sugar Lake compare?
Sugar Lake's readings match or beat the Minnesota state average. It ranks #55 of 72 lakes in Itasca County on nutrient and algae readings. Multi-year monitoring data shows water quality is declining based on 2 years of records.
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