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Nadzor vode za pitje na področju Varaždinske županije
Water is an essential resource of Earth. Water is necessary for any human being because it brings nutrients in our body and that improves our health. It is one of the basic conditions on our planet because it's necessary for the performance of all the vital processes in the biosphere. Also, water is important for personal and general hygiene, food production and for the needs of people in agriculture and industry. Production, distribution, monitoring and control of water are part of the agricultural activity. They are under special conditions and regime of quality assurance and health and safety. In this final work, will be processed a drinking water, characteristics, method of preparation, purification and membrane processes as a form of drinking water treatment. Further, water analysis, drinking water quality indicators, sampling, field work and sampling frequency will be explained. In the area of the city of Varaždin and the surrounding population is supplied with water from three main water wells. These water wells are Varaždin, Bartolovec and Vinokovščak. Drinking water is supplied around 151,000 inhabitants, which makes about 82% of the county. Based on the tests carried out in the period from 2010 to 2016, the parameters of drinking water were processed. The aim of this final work was to analyze the values of drinking water on water wells Bartolovec and Vinokovščak and the natural source of Bela. The health of drinking water is regulated by the Ordinance on drinking water health. Therefore, this final workwill deal with the legal regulations related to the drinking water area and the above mentioned Ordinance.