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LakeQuality

Round Lake in Itasca County, Minnesota has nutrient and algae measurements on record from state and federal monitoring. Chlorophyll-a in the monitoring record runs high enough that algae is a factor. 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: 4.1 ft visibility. Phosphorus: 67 µg/L. Chlorophyll-a (algae): 31.8 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Water Clarity (Secchi Depth)4.1 ft
Phosphorus67 μg/L
Chlorophyll-a (Algae)31.8 μg/L
Maximum Depth24 ft
LocationItasca County, Minnesota

How does Round Lake compare?

With an overall water-quality readings of , Round Lake runs above the Minnesota state average. It ranks #72 of 72 lakes in Itasca County by water quality score.

Water clarity (Secchi depth) sits at 4.1 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 31.8 µg/L — elevated; risk of harmful algal bloom advisories increases at this concentration.