2.3 Microorganisms
In drinking water microorganisms can cause sensory defects (odor, color, taste). Microorganisms
are an important cause of the corrosion of steel pipes. Various health related
problems due to contaminated waters are diarrhea, abdominal cramps and vomiting due to
salmonella, cholera is due to vibro cholerae, infection of lungs due to mycobacterium
(Adarsh and Mahantesh, 2006; Nollet, 2000).