Understanding Water Filtration Types of Contaminants Water contaminants may include sediment, chlorine, lead, fluoride, bacteria, viruses, and other chemicals. These contaminants impact the water’s palatability, smell, and safety and pose health risks to consumers. Filtration Methods Some of the water filtration processes that can be used to eliminate contaminants include the following. Activated Carbon Filters: They employ carbon to remove impurities from water, including chlorine, VOCs, and...