How Clean Is Deer Lake?
Deer Lake is among the cleanest lakes in Minnesota. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 13.1 ft. Phosphorus: 11 µg/L. Chlorophyll-a (algae): 2.1 µg/L. Trophic State Index: 39.
Cleanliness Snapshot
| Metric | Deer Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 13.1 ft | — |
| Phosphorus | 11 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 2.1 µg/L | <10 = clean |
| Trophic State Index | 39 | <50 = clean |
How does Deer Lake compare?
Deer Lake's readings match or beat the Minnesota state average. It ranks #7 of 72 lakes in Itasca County on nutrient and algae readings. Multi-year monitoring data shows water quality is improving based on 6 years of records.
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