Potable Water Purification
Water purification is the removal of contaminants from untreated water to produce drinking water that is pure enough for the most critical of its intended uses, usually for human consumption. Substances that are removed during the process of drinking water treatment include suspended solids, bacteria, algae, viruses, fungi, minerals such as iron, manganese and sulphur, and other chemical pollutants such as fertilisers.
Measures taken to ensure water quality not only relate to the treatment of the water, but to its conveyance and distribution after treatment as well. It is therefore common practice to have residual disinfectants in the treated water in order to kill any bacteriological contamination during distribution.
World Health Organisation (WHO) guidelines are generally followed throughout the world for drinking water quality requirements. In addition to the WHO guidelines, each country or territory or water supply body can have their own guidelines in order for consumers to have access to safe drinking water.
Read more about this topic: Water Treatment
Famous quotes containing the words potable and/or water:
“Tobacco, divine, rare, superexcellent tobacco, which goes far beyond all the panaceas, potable gold, and philosophers’ stones, a sovereign remedy to all diseases ... but as it is commonly abused by most men, which take it as tinkers do ale, ‘tis a plague, a mischief, a violent purger of goods, lands, health; hellish, devilish and damned tobacco, the ruin and overthrow of body and soul.”
—Robert Burton (1577–1640)
“The senseless drowned
Have faces nobody would care to see,
But water loves those gradual erasures
Of flesh and shoreline, greenery and glass,”
—Howard Moss (b. 1922)