How Clean Is Round Lake?
Round Lake is algae-prone, with a higher bloom risk in warm months. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 4.1 ft. Phosphorus: 67 µg/L. Chlorophyll-a (algae): 31.8 µg/L. Trophic State Index: 62.
Cleanliness Snapshot
| Metric | Round Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 4.1 ft | — |
| Phosphorus | 67 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 31.8 µg/L | <10 = clean |
| Trophic State Index | 62 | <50 = clean |
How does Round Lake compare?
Round Lake's readings run above the Minnesota state average. It ranks #72 of 72 lakes in Itasca County by water quality score. Multi-year monitoring data shows water quality is declining based on 2 years of records.
Watch Round Lake water quality
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