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LakeQuality

Sarah Lake in Murray 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: 3.9 ft visibility. Phosphorus: 59 µg/L. Chlorophyll-a (algae): 2.1 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Water Clarity (Secchi Depth)3.9 ft
Phosphorus59 μg/L
Chlorophyll-a (Algae)2.1 μg/L
Maximum Depth10 ft
LocationMurray County, Minnesota

How does Sarah Lake compare?

With an overall water-quality readings of , Sarah Lake matches or beats the Minnesota state average. It ranks #1 of 9 lakes in Murray County by water quality score.

Water clarity (Secchi depth) sits at 3.9 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 2.1 µg/L — low and well within safe swimming guidelines.