Is Dora Lake Safe for Swimming?
Dora Lake in Itasca County, Minnesota has nutrient and algae measurements on record from state and federal monitoring. A water-quality reading is not a swimming clearance. The state water agency and county health departments post current advisories; check them before you swim.. Water clarity: 7.5 ft visibility. Phosphorus: 27 µg/L. Chlorophyll-a (algae): 8.1 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 7.5 ft |
| Phosphorus | 27 μg/L |
| Chlorophyll-a (Algae) | 8.1 μg/L |
| Maximum Depth | 18 ft |
| Location | Itasca County, Minnesota |
How does Dora Lake compare?
On nutrient and algae readings, Dora Lake matches or beats the Minnesota state average. It ranks #58 of 72 lakes in Itasca County on nutrient and algae readings.
Water clarity (Secchi depth) sits at 7.5 feet. That puts the lake in good clarity range, with limited algae interference. Algae levels (chlorophyll-a) measure 8.1 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.
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