Bottled water is safer to drink than tap water. Both bottled water and tap water are regularly tested to ensure that they meet acceptable standards, and should not pose a health hazard. Bottled water companies must adhere to quality standards, good manufacturing practices, and labeling requirements. No, these regulations do not apply to bottled water companies.
Ozone is used as a disinfectant because is leaves no chlorine aftertaste.
Water coolers are commonly used in the home, office, or in other places. Generally, the water from these coolers is considered safe to drink. Proper use of the cooler will prevent bacteria contamination, so keep these pointers in mind when using a cooler. Never touch the spout with your cup or hands. The water should pour directly into your cup.