Bottled water is drinking water packages in containers. Water is packed mainly in Polyethylene terephthalate (PET) bottles. It has been classified based on the source, price, and size of the water bottle. There are multiple brand names are leading the bottled water market in Sri Lanka. Water bottle manufacturing companies do not produce water, that produces only plastic waste which is a huge environmental problem. To avoid those environmental pollutions, the usage of PET water bottles has to minimize and some reduction methods should be followed.