Round Island
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Historical Water Quality
Passed water quality tests at least 95% of the time
This status is based on the latest sample, take on August 20th, 2024 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 August 20th at 09:50.
Round Island is sampled Weekly from July 3rd to August 28th
About Round Island
Current Weather
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.
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