Abstract
Taking into account the problems of ensuring an environmentally safe state of recreation and tourism zones on the territory of Sevastopol, the article presents the results of a study of the water quality of 76 underground springs in the Sevastopol region. The results of the analysis of the obtained data on the chemical composition of spring waters allow us to identify the most polluted sources and track the dynamics of changes in the content of «pollution markers» with the subsequent determination of possible causes of pollution. All sources are divided into three groups: «clean», «relatively clean» and «polluted», the location of which is shown on maps. Studies were conducted on 23 indicators of drinking water quality. The average values of the measured indicators for each category of underground sources under study are presented. In 46% of cases, significant excess of the content of nitrate ions and chlorides in the underground and spring waters of the Sevastopol region was detected, which makes it possible to judge their unsuitability for drinking and agricultural purposes.
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