This work presents the chemical and biological characteristics of drinking water shuttled from the main land (Naples, Campania, Italy) to the Eolian islands (situated off the north-eastern coast of Sicily). The data obtained from a one year surveillance program, (January to December, 2012) indicate that the quality of the water delivered to the islands meets the drinking water quality standard year-round. During summer, when requests for drinking water increase with the increase of the islands population, the quality of the shipped water decreases, most likely due to the use of older vessels in addition to those used during the rest of the year. The results suggest an implementation of a monitoring program at the point-of-use in order to identify potential sources of contamination early in shipped drinking water and, therefore, to manage the potential risk of waterborne illness more effectively.
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