Occurrence of pathogens in water is due to deficiency
in plumbing lines, inadequately laid plumbing lines,
cross-connections, treatment deficiency, biofilm growth
problems, leakage point or gap in the piping system with
high external pressure, low-pressure conditions in the
distribution system that allow a flow reversal or backflow
of non-potable water, hydraulic disturbances that allow
biofilm material on pipe surfaces or sediments to enter
the bulk water and integrated problems
Occurrence of pathogens in water is due to deficiencyin plumbing lines, inadequately laid plumbing lines,cross-connections, treatment deficiency, biofilm growthproblems, leakage point or gap in the piping system withhigh external pressure, low-pressure conditions in thedistribution system that allow a flow reversal or backflowof non-potable water, hydraulic disturbances that allowbiofilm material on pipe surfaces or sediments to enterthe bulk water and integrated problems
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