Mahidol university’s Institute of Nutrition Director Kraisid Tontisirin suggested that the cheapest way to obtain safe drinking water was to boil tap water.
According to the Metropolitan Waterwork Authority (MWA) Public Relation Director, Vivat Phongburanakit, it is safe to drink tap water in Bangkok even if you don’t boil it.
He public that that their piper have not been contaminated.