The AWWA Research Division Microbiological Contaminants committee reviewed
four bacterial microorganisms considered of greatest concern to the water i
ndustry: Mycobacterium avium complex, Helicobacter pylori, pathogenic Esche
richia coli, and Campylobacter jejuni. help the water quality specialist, t
his report describes each reviews its health effects; summarizes informatio
n on its occurrence, waterborne outbreaks, and treatment; discusses analyti
cal procedures; and outlines needed research.