What is the purpose of adding disinfection during the water treatment process?

The purpose of adding disinfection during the water treatment process is primarily to inhibit pathogens and control algal growth. Disinfection methods, such as chlorination, ozonation, or ultraviolet (UV) treatment, are critical in ensuring that the water is safe for human consumption by killing or inactivating harmful microorganisms that can cause waterborne diseases.

Additionally, controlling algal growth is essential not only for maintaining water quality but also to prevent issues such as taste, odor, and even toxicity in water systems. Through effective disinfection, water treatment facilities can ensure that the water is not only safe but also helps to manage the overall health of the water supply system. This underscores the importance of disinfection in protecting public health and maintaining the integrity of potable water.