Biofilm formation and its detachment into the water stream affects the taste, odour and colour of drinking water, and constitutes a risk for contamination when pathogens are present. In biofilms, microorganisms produce extracellular polymeric substances (EPS) to form a matrix protecting them from external stresses. Topic background – Within Drinking water distribution systems (DWDS), at least 95% of the total microorganisms grows on pipes surfaces, in the form of biofilms.
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