Passed water quality tests at least 95% of the time
This status is based on the latest sample, taken on July 21st, 2025
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 July 23rd, 2025 at 9:27.
Monitoring Frequency:
Potter's Beach is sampled
Bi-Weekly from
July 2nd
to
August 27th.
Water Quality Graph:
About Potter's Beach
Potters Beach is a swimming area located on the St. Lawrence River off the West end of Grindstone Island near Clayton, New York. Potters Beach is the only naturally occurring sandy beach in the area and is a popular place to swim and have fun all summer long. The only way to access Potters Beach is by watercraft (navigation chart or GPS unit encouraged).
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.