Antibacterial properties in water refer to the ability of water inhibiting the growth and killing off bacteria that may be present. While water itself does not typically possess inherent antibacterial properties, disinfection techniques such as chlorination or ozonation can effectivity kill or inactivate bacteria present in water. Chlorine, for example is commonly used in water treatment plants to disinfect water and prevent the spread of waterborne diseases. Ultraviolet (UV) light can be used to disinfect water by damaging the DNA of bacteria and preventing their reproduction, eliminating the growth of bacteria, viruses and other microorganisms from water. Certain filtration methods such as those using activated carbon or ceramic filters can effectively remove bacteria from water by trapping them using absorption mechanisms. Overall, these are few various methods and approaches to achieving antibacterial effects in water and are primarily aimed at ensuring the safety and potability of drinking water. These treatments help reduce the risk of waterborne illnesses and bacterial contamination. However, it is also essential to maintain proper hygiene and sanitation practices to prevent bacterial contamination in water sources and storage system.