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Waste waters are becoming an increasing problem of modern society. In the battle for a bigger profit, a large number of industrial enterprises do not pay attention to the consequences that their wastewater to generate environmental quality. On the list of pollutants wastewater significant is the dairy industry. For this reason, the subject of our research was selected wastewater from the dairy industry. The main objective of this paper is to analyze the quality of waste water originating from dairy drive from the municipality of Kraljevo. We analyzed 15 samples of waste water taken from four locations of the manufacturing sites of the dairy industry. This research has shown that some dairy plants, despite legislation, discharging wastewater into the recipient or the public sewerage system, without adequate treatment.

The May floods in 2014 affected a large number of rural households in the vicinity of the town of Kraljevo. The flood affected a large number of villages that are located along the river West Morava and villages along the river Godačica. It was necessary to analyze the microbiological and physical chemical quality of drinking water, in order to see the impact of the May floods on the quality of drinking water rural water flooded the city, for the protection of human health, water supply and the ecosystem in general. This paper presents the results of a project which was implemented by the city of Kraljevo and funded humanitarian organization ADRA (Adventist Development and humanitarian organizations). The results of microbiological and physical chemical analysis of drinking water are shown, whose maximum allowable values are given in Regulation on hygienic quality of drinking water Fig. FRY, No.42 / 98 and 44/99 [1]. Upon the approval of funds for drinking water samples, which were tested in the laboratories of the Institute of Public Health of Kraljevo, were sampled in September and October 2014 in eight flooded villages around the town of Kraljevo. The tests were based on the analysis of microbial load of the water system and the physical and chemical parameters and the preservation of water quality.

In all countries, in the fight for the preservation of environmental protection, water pollution, waste water is one of the very serious and complex environmental problems. Waste waters pollute rivers, lakes, sea and ground water and promote the development of micro-organisms that consume oxygen, which leads to the death of fish and the occurrence of pathogenic microbes. Water pollution and determination of its numerous microbiological contamination, physical agents and various chemical substances, is becoming an increasing health and general social problem. Purification of industrial and municipal waste water before discharge into waterways is of great importance for the contamination of the water ecosystems and the protection of human health. To present the results of purification of industrial and municipal wastewater in the city center Kraljevo system for wastewater treatment. The investigated physical and chemical parameters were performed before and after the city's system for wastewater treatment. The results indicate that the effect of purification present the physical and chemical parameters in waste water ranges from 0 - 19%.

The water of the Ibar river is used for water supply and other purposes, so monitoring the water quality of the river Ibar of primary importance for the contamination of water ecosystems and protecting human health. This paper is a continuation of the monitoring of the Ibar river of Raska and Kraljevo. Last year, at the 34th international professional scientific meeting at Tara was given the impact of wastewater municipality of Raška and Baljevac the quality of the Ibar river. A goal of this paper is to show the impact of settlements from Biljanovac to Konarevo the water quality of the Ibar river. Total of 15 measurements at three measuring sites separated 50 km are presented. The Ibar river is passing both through urban areas where the industry is developed and through uninhabited places.