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LakeQuality

Is Larimore Dam Lake Safe for Swimming?

Larimore Dam Lake in Grand Forks County, Wisconsin has a water quality grade of D (Poor). Swimming not recommended, poor water quality with high algae risk. Water clarity: 3 ft visibility. Chlorophyll-a (algae): 13.3 µg/L. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeD (Poor)
Water Clarity (Secchi Depth)3 ft
Chlorophyll-a (Algae)13.3 μg/L
LocationGrand Forks County, Wisconsin

How does Larimore Dam Lake compare?

With an overall water quality grade of D, Larimore Dam Lake falls below the Wisconsin state average of Grade C. It ranks #2 of 4 lakes in Grand Forks County by water quality score.

Water clarity (Secchi depth) sits at 3 feet. That falls into moderate clarity — typical for lakes with some nutrient enrichment. Algae levels (chlorophyll-a) measure 13.3 µg/L — moderate; acceptable for swimming on most days, but worth checking advisories.