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Title
WHO - Safe Piped Water Managing Microbial Water Quality in
Piped Distribution Systems
Abstract
Pressurized pipe networks provide a means for supplying drinking-water to
individual dwellings, buildings and communal taps. Their widespread adoption
has contributed significantly to both the reduction and control of water-related
diseases. They also reduce the burden of water collection, which is borne
especially by women and children, and is itself associated with much disease
and injury. Further development of piped water distribution will be critical to
improving health and progressing development in countries worldwide. It is no
coincidence that most of our villages and towns were originally concentrated
near readily available sources of fresh water such as springs, rivers and lakes.
The microbial quality of water normally changes in a piped network.
Although the changes often do not have health implications, there are many
documented examples of serious contamination with pathogens occurring within
the piped network. When contamination occurs, it may be difficult to trace and
remedy because the pipework is normally below ground and difficult to inspect.
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