ABSTRACT
Nowadays, with population growth in urban areas, providing safe water and health are considered as the basicneeds of human, alongside the various pollutants due to urban activities, agriculture and industrial areas on adjacent ranges into urban water resources around the environment is such that study necessary to prevent the pollution of water resources and identification of pollution sources shows. The aim of this paper to identify research sources of water pollutants Sabzevar range of water supply in the city is using the data available. Sabzevar city with more than thousand years old and with a population of about 220 thousand people point to as the second city after Mashhad City in North East of Iran, today in the field of providing good quality drinking water with pollution problems that the groundwater resources of the serious issues is. Level range studied for this purpose, which is equal to 210.75 square kilometers Sabzevar drinking water sources [including 24 deep wells], the plain reservoir Sabzevar in the north, northwest and the West at intervals between 5 to 65 kilometer supply is .Therefore, the range affecting water resources include Sabzevar Northern Plains reservoir Sabzevar [code 4735] limit the salty river [Kal Shur] Sabzevar [main drainage plain] is. Drinking water of Sabzevar from underground water supply of plain Sabzevar affected various human activities [urban, agricultural and industrial] various pollutants into drinking water confine is Sabzevar. Recognizing the importance of these resources and also the amount of pollutants injected urban water infections, this study is trying to line with the comprehensive plan Sabzevar water pollution, water with good quality required for this area and reduce potential pollution of water resources must be examined. In case of Pollutants in urban water resources, several studies by various experts as a way accepted that some of them believe that the origin of urban drinking water pollutants due to human exploitation of the environment form of modern agriculture is a way, that the use of fertilizers for increasing efficiency of production and chemical pesticides against plant diseases and pests has aggravated this trend. On the other hand some believe that due sewages important activity centers, factories and urban pollution due to new types of heavy metals to soil and water, drinking water pollution in urban areas brings obtain. Range studied the amount of 1757.5 hectares of irrigated agricultural lands, 8611 hectares of non-irrigated agricultural lands, 1803 hectares garden land, 214582 urban population, rural population of 22162 people, 435 industrial units and there are 132756 animal units due to their emission into the resources groundwater is. Pollution of water resources due to the effect of effluent and sewages accept, share or pollution brunt due to activity or pollution center to two factors, Association sewage and wastewater volume and intensity and concentration of pollutants in depends. Amount of sewage, waste water and its effluent normally obey the water volume. Parts for use in potable, industrial and agricultural water ITom different sources of groundwater, the amount in the range of 206.77 million cubic meters effective water pollution reduction projects Sabzevar water is obtained. This amount, 178.9 million cubic meters [%86.51] in agriculture, 21.1 million cubic meters of drinking [%10.21] in urban, 3.67 million cubic meters [%1.78] in rural drinking, 1 million cubic meters [%0.49] in livestock and drinking and 2.1 million cubic meters [%1.01] in industry is consumed