The water supply deals with the measures necessary for the provision of drinking water and service apart.
In technical terms, this is the construction and operation of facilities
The extraction of raw water, for example from wells (see groundwater), spring water, surface water from lakes and rivers, collect rain water in cisterns
Lessons for the treatment of untreated water to drinking water or waste water
For water distribution, such as high-tanks, pumping stations, water lines, booster stations. In addition to fire and the hot water supply.
In organizational terms, the relevant structures for the implementation of these measures can be created. This allows individuals and companies or legal entities. Furthermore, in some countries special structures to safeguard public water supplies. In some states take over these tasks water cooperatives and water associations, in some communities or associations or private water supply companies organized, mostly still a majority in municipal ownership.
In coastal dry areas also contributes to the desalination of water supply.
Under leak detection management information systems means that the companies in the water sector help, water loss through pipe breaks and background losses to reduce or water distribution systems economically optimal operation.
WATER
Waste water is contaminated by utility or its properties or its composition changed water, but also the land of fortified outgoing and collected rain water. Waste water is treated by the sewage collected and transported to Germany are almost always treated in sewage plants and then serving as a receiving waters.
The effluent can be used with the help of the wastewater treatment cleaned.
The definition of waste water than by domestic, industrial, agricultural, or other use in its properties and the change in dry weather related effluent, and the precipitates from the area of built-up areas or fortified outgoing and collected water, i.e. precipitation water. As dirty water are also made to the treatment plants, warehouses and storage of waste exiting and collected fluids.