How Clean Is North Turtle Lake?
North Turtle Lake is nutrient-rich, with elevated phosphorus and algae. Its nutrient and algae readings come from EPA monitoring data. Water clarity (Secchi depth): 4 ft. Phosphorus: 54.5 µg/L. Chlorophyll-a (algae): 22 µg/L. Trophic State Index: 60.
Cleanliness Snapshot
| Metric | North Turtle Lake | Minnesota avg |
|---|---|---|
| Water Clarity (Secchi) | 4 ft | — |
| Phosphorus | 54.5 µg/L | <30 = clean |
| Chlorophyll-a (Algae) | 22 µg/L | <10 = clean |
| Trophic State Index | 60 | <50 = clean |
How does North Turtle Lake compare?
North Turtle Lake's readings run above the Minnesota state average. It ranks #64 of 66 lakes in Otter Tail County on nutrient and algae readings. Multi-year monitoring data shows water quality is improving based on 5 years of records.
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