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LakeQuality

Lake Bonaparte in Lewis County, New York is not rated for water quality — its monitoring record does not meet the evidence bar. Not rated for swimming — there is not enough monitoring data to judge this lake. Water clarity: 15.8 ft visibility. Always check local health department advisories before swimming.

Key Metrics

MetricValue
Overall GradeNR (Not rated)
Water Clarity (Secchi Depth)15.8 ft
LocationLewis County, New York

How does Lake Bonaparte compare?

Lake Bonaparte is not rated for water quality — it does not have enough recent summer sampling for a letter grade, so it is not compared with the New York state average.

Water clarity (Secchi depth) sits at 15.8 feet. That counts as exceptional clarity — sunlight penetrates deep, supporting submerged plants and limiting algae.

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