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LakeQuality

Bad Medicine Lake in Becker 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: 25 ft visibility. Phosphorus: 6 µg/L. Chlorophyll-a (algae): 1.6 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Water Clarity (Secchi Depth)25 ft
Phosphorus6 μg/L
Chlorophyll-a (Algae)1.6 μg/L
Maximum Depth84 ft
LocationBecker County, Minnesota

How does Bad Medicine Lake compare?

With an overall water-quality readings of , Bad Medicine Lake matches or beats the Minnesota state average. It ranks #1 of 84 lakes in Becker County by water quality score.

Water clarity (Secchi depth) sits at 25 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae. Algae levels (chlorophyll-a) measure 1.6 µg/L — low and well within safe swimming guidelines.