How Clean Is Itasca Lake?
Itasca 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): 7.9 ft. Phosphorus: 26.5 µg/L. Chlorophyll-a (algae): 14.1 µg/L. Trophic State Index: 52.
Cleanliness Snapshot
| Metric | Itasca Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 7.9 ft | — |
| Phosphorus | 26.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 14.1 µg/L | <10 = clean |
| Trophic State Index | 52 | <50 = clean |
How does Itasca Lake compare?
Itasca Lake's readings match or beat the Minnesota state average. It ranks #33 of 37 lakes in Clearwater County on nutrient and algae readings. Multi-year monitoring data shows water quality is improving based on 3 years of records.
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