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LakeQuality

Scotch Lake in Le Sueur 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: 2.6 ft visibility. Phosphorus: 569 µg/L. Chlorophyll-a (algae): 9.7 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Water Clarity (Secchi Depth)2.6 ft
Phosphorus569 μg/L
Chlorophyll-a (Algae)9.7 μg/L
Maximum Depth11 ft
LocationLe Sueur County, Minnesota

How does Scotch Lake compare?

With an overall water-quality readings of , Scotch Lake runs above the Minnesota state average. It ranks #5 of 13 lakes in Le Sueur County by water quality score.

Water clarity (Secchi depth) sits at 2.6 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff. Algae levels (chlorophyll-a) measure 9.7 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.

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