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Title
WHO - Guidelines for
Drinking-water Quality
Abstract
The primary purpose of the Guidelines for Drinking-water Quality is the protection
of public health.
Water is essential to sustain life, and a
satisfactory (adequate, safe and accessible)
supply must be available to all.
Improving access to safe drinking-water
can result in tangible benefits to health.
Every effort should be made to achieve
a drinking-water quality as safe as
practicable.
Safe drinking-water, as defined by the Guidelines, does not represent any significant
risk to health over a lifetime of consumption, including different sensitivities that
may occur between life stages. Those at greatest risk of waterborne disease are infants
and young children, people who are debilitated or living under unsanitary conditions
and the elderly. Safe drinking-water is suitable for all usual domestic purposes, including
personal hygiene. The Guidelines are applicable to packaged water and ice
intended for human consumption. However, water of higher quality may be required
for some special purposes, such as renal dialysis and cleaning of contact lenses, or for
certain purposes in food production and pharmaceutical use. Those who are severely
immunocompromised may need to take additional steps, such as boiling drinkingwater,
due to their susceptibility to organisms that would not normally be of concern
through drinking-water. The Guidelines may not be suitable for the protection of
aquatic life or for some industries.
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