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* [[biology|biological sources]] such as plants. | * [[biology|biological sources]] such as plants. | ||
* the [[sea]] through [[desalination]] | * the [[sea]] through [[desalination]] | ||
*[[Water supply network]] | *[[Water supply network]]<ref>[http://en.wikipedia.org/wiki/Drinking_water#Access This wikipedia section was written by KVDP]</ref> | ||
==Notes and references== | |||
{{reflist}} | |||
==See also== | ==See also== | ||
* [[Sewage | * [[Sewage collection|Sewage system]]: most systems (in the developed world) use a combined sewage/potable water system | ||
== External links == | |||
* [[Wikipedia:Water supply]] | * [[Wikipedia:Water supply]] | ||
Revision as of 11:43, 3 October 2012
Although covering some 70% of the Earth's surface, most water is saline. Freshwater is available in almost all populated areas of the earth, although it may be expensive and the supply may not always be sustainable. Sources where water may be obtained include:
- ground sources such as groundwater, hyporheic zones and aquifers.
- precipitation which includes rain, hail, snow, fog, etc.
- surface water such as rivers, streams, glaciers
- biological sources such as plants.
- the sea through desalination
- Water supply network[1]
Notes and references
See also
- Sewage system: most systems (in the developed world) use a combined sewage/potable water system
