ANALYSIS AND ASSESMENT OF THE WATER SUPPLY SYSTEM OF THE TOWN OF BREGOVO.

Bregovo is a small Bulgarian town located on the border with the Republic of Serbia. It is situated 6 kilometers from the mouth of the Timok River, which flows into the Danube River. Despite the proximity of the river, the town experienced some complications in its water supply. The purpose of the research is to to analyze and evaluate the water supply system of the town of Bregovo. The water supply in the municipality of Bregovo is taken care of by the operator "ViK Vidin" EOOD. The separate territory of "ViK Vidin" EOOD consists of a total of six different sized water supply systems (WSS), one of which is WSS Bregovo - for the town of Bregovo. The WSS Bregovo is supplied with water from two underground water sources, which receive water from one shaft well and two drilling wells. The water is pumped by means of two pumping stations through the distribution network to the water tower located above the city with a capacity of 250 m3. Data on water sources and consumption were used for the purpose of the research. The data for the resource of the water sources is based on information from the issued water permits of Danube River Basin Directorate Pleven. The data for the water demand - from the "ViK Vidin" EOOD and the forecast for the demand made in the regional master plans for water and waste water. Then with this data it was calculated The Water Stress Index for water supply of the town of Bregovo, which takes into account the percentage of intake water to the available water resource. In order to avoid water stress, this ratio should be under 20%, and for the town of Bregovo is around 20-22%. The water stress can even be reduced below 20% if measures will be taken to reduce the high water losses and water wastage in the distribution network, which reach up to 70%. The study shows that the quantity of water sources is sufficient for consumption of the population, but there are possible problems with the quality of drinking water. It is also calculated the Water Storage Capacity Index of the water tower, which should be within 50-100% of the average daily water demand in the serviced territory, in order to achieve an acceptable level of security of water supply. The index is insufficient, with values around 31-45%. Some recommendations have been made to improve the storage index values. Conclusions have been made in connection with the improving the performance of the WSS Bregovo. [ABSTRACT FROM AUTHOR]