Water takes a special place among the natural resources of the Earth because it is indispensable. Water was needed in all times and everywhere where there is life. We know that man can live for some weeks without food and he can survive only three days without water. For a man is not only the number of drinking water, but also its quality. To avoid the danger that may conceal poor quality water in Europe, there were set definite standards for drinking water, determining its main qualities – color, taste, odor and bacterial composition. Healthy and tasty is a true gift of the Earth.
Water supply as an economic, technical and enterprises is provided the expense of surface and groundwater present in the region.
Superficial sources of water include rivers, lakes, reservoirs, etc.
Usually underground sources include: emergence of groundwater as springs, wells, wells which are drilled in different aquifers for mining – as for fresh drinking water and for water with varying degrees of mineralization.
Groundwater – underground water from the surface of the first permanent existing aquifer, lying on the ground exposed for a waterproof layer. Groundwater is characterized by the following features:
Area of feed usually coincides with the area of spread.
The main sources of water supply are the atmospheric surface and condensing water, and sometimes the lower pressure water.
In most cases the water pressure-free, ie surface groundwater, communicating with the atmosphere, experiencing only the atmospheric pressure, is called the free surface.
Groundwater is hydraulically connected to surface watercourses and water bodies – rivers, lakes and wetlands surfaces.
Groundwater regime suffers a direct impact hydrmeteorological factors and is characterized by seasonal fluctuations in level, flow rate and chemical composition.
In the study of groundwater for water supply, land reclamation, construction of buildings and other purposes of great attention is paid to study the groundwater surface. Form of the groundwater surface is determined by permeability of rocks, conditions of supply aquifer, the configuration of the shores of rivers, which drain ground water, lowering water pressure, power aquifer.
In the suburban area of water-bearing rocks ground stream are assorted sands, gravel-pebble layure. Water pressure-pressure-free, ie in areas ceiling aquifer loam and clay emerging local pressure. Depth to groundwater varies from 5-7 m to 25-30m.
Artesian water. Underground water, which is laying between the two water pressure and the pressure of having called artesian. They fill the reservoir to its full capacity. With the opening of such aquifers the water level in them rises above the roof of the aquifer. This level is called pressurized or piezometric. Sometimes the water level in wells, revealed the aquifer rises above the surface of the earth, and water is poured on the surface.
No doubt water has an important place in our lives. In many cases people would like to have an independent or alternative water supply source. If you are one of those who are looking for information on well drilling, please go to this site. There you may find lots of details about drilling rigs for sale and how to purchase them.
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