Hong Kong carrier Dragonair says inflight tap water on one of its planes had unsafe levels of bacteria.
The airline made the revelation after reports that high levels of E. coli were found in the water tank of Flight KA250 from Hong Kong to the Burmese city of Yangon.
However, it said the water was not meant for drinking, adding passengers are given bottled water, Headline Daily reports.
A spokesman said Dragonair has taken precautionary measures including cleaning and disinfection of the water tank of the affected plane.
Further tests will be conducted.
Water tanks in all planes are cleaned and disinfected once every three months and chlorine content monitored to meet World Health Organization standards, he said.
The Department of Health said it has yet to receive any reports of passengers taken ill.
Dragonair said all 15 water samples from the rest of its fleet have been found safe.
Last year, Cathay Pacific Airways, Dragonair’s parent, said water samples collected in June 2015 from 14 out of 22 of its aircraft , were unsatisfactory, according to news website hk01.com.
Rebecca Sze, who heads the Dragonair flight attendants association, said announcements will be made to remind passengers not to rinse with tap water.
Sze said she could not say whether the airline was aware of the contamination before Flight KA250 took off for Yangon on July 26.
Dragonair had been silent about the incident for weeks until reports emerged in the Hong Kong media.
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