Is Grand Sable Lake Safe for Swimming?
Grand Sable Lake in Alger County, Michigan 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: 8 ft visibility. Phosphorus: 10.8 µg/L. Always check local health department advisories before swimming.
Key Metrics
| Metric | Value |
|---|---|
| Water Clarity (Secchi Depth) | 8 ft |
| Phosphorus | 10.8 μg/L |
| Maximum Depth | 85 ft |
| Location | Alger County, Michigan |
How does Grand Sable Lake compare?
On nutrient and algae readings, Grand Sable Lake matches or beats the Michigan state average. It ranks #6 of 8 lakes in Alger County on nutrient and algae readings.
Water clarity (Secchi depth) sits at 8 feet. That puts the lake in good clarity range, with limited algae interference.
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