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LakeQuality

Is Niagara Dam Lake Safe for Swimming?

Niagara Dam Lake in Grand Forks County, Wisconsin has a water quality grade of F (Very Poor). Avoid swimming, very poor water quality, potential algae toxins. Water clarity: 1 ft visibility. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeF (Very Poor)
Water Clarity (Secchi Depth)1 ft
LocationGrand Forks County, Wisconsin

How does Niagara Dam Lake compare?

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

Water clarity (Secchi depth) sits at 1 feet. That signals heavy algae or sediment, often tied to high phosphorus from runoff.