Round Island

Clayton, New York

Round Island is an island within the Thousand Islands that is situated to the East of Clayton. There is no exact swimming area on Round Island but the water off the West side of Round Island is tested because it is a popular swimming spot for boaters and those on the island.

WATER QUALITY
  • Passed water quality tests at least 95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on . Upper St. Lawrence Riverkeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at
For water quality icon legend, click:   
CURRENT WEATHER
8°C
Clear and sunny
MONITORING FREQUENCY

Round Island is sampled weekly from July 3rd to August 28th

SOURCE INFORMATION

Recreational public beaches in upstate New York are tested at least once every week typically from mid-June to September. Freshwater beaches in New York are posted when a single sample exceeds 235 E. coli / 100 ml or when the geometric mean of samples collected over a 30-day period exceeds 126 E. coli / 100 ml.

Chapter I of the State Sanitary Code Subpart 6-2 includes more criteria for freshwater quality, but most monitoring agencies rely on the E. coli standard.

WATER QUALITY GRAPH

Round Island

Clayton, New York

WATER QUALITY
  • Passed water quality tests at least 95% of the time
  • Historical Status
  • This status is based on the latest sample, taken on . Upper St. Lawrence Riverkeeper updates the status of this beach as soon as test results become available. These results were posted to Swim Guide on at
For water quality icon legend, click:   
CURRENT WEATHER
8°C
Clear and sunny

Round Island is an island within the Thousand Islands that is situated to the East of Clayton. There is no exact swimming area on Round Island but the water off the West side of Round Island is tested because it is a popular swimming spot for boaters and those on the island.

MONITORING FREQUENCY

Round Island is sampled weekly from July 3rd to August 28th

SOURCE INFORMATION

Recreational public beaches in upstate New York are tested at least once every week typically from mid-June to September. Freshwater beaches in New York are posted when a single sample exceeds 235 E. coli / 100 ml or when the geometric mean of samples collected over a 30-day period exceeds 126 E. coli / 100 ml.

Chapter I of the State Sanitary Code Subpart 6-2 includes more criteria for freshwater quality, but most monitoring agencies rely on the E. coli standard.

WATER QUALITY GRAPH



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