Updated from the 2001 edition, this comprehensive book clearly describes waterborne microorganisms--bacteria, viruses, protozoa, amoebae and algae,-- that either pose a human health threat or contribute to distribution system corrosion. It provides the scientific name, where it is found in nature, how it is transmitted, what health or other problems it causes, and how each challenges water treatment facilities. Also covered is how each microbes adapt to different environments and the basic laboratory methods used for isolating and detecting pathogens in water supplies.