UVC Water disinfection System or purification is the removal of the contaminants from the raw water which helps to produce drinking water that is pure enough for industrial use or for human consumption. The substances which are removed during the process include parasites such as the cryptosporidium or giardia, algae, bacteria, viruses, minerals that include toxic metals such as copper, lead, etc., and man-made chemicals pollutants. Many of the contaminants can be dangerous, but it depends on the quality standards, but others are removed to improve water smell, appearance, and taste.