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Yaremche tourist destination is a place of the accumulation of a large number of explored underground springs with drinking water, a significant number of tourist flows, a widespread decentralized water supply system which together with the specifics of the mountain region and seasonality form an object relevant for regular monitoring. Underground springs and wells supply water to residential facilities in the region, and therefore monitoring studies of the physical and chemical composition of drinking water from underground springs and wells on the territory of Yaremche tourist destination is necessary. Covering the full range of geographical heights of the park, we have studied the drinking water quality of natural springs and wells in the private tourist estates for nitrates, nitrites, phosphates, and ammonium, determined the total mineralization, pH value, analyzed the results and based on them the impact of seasonal changes on the groundwater feed. The observation program included two hydrological seasons: the spring high water period and the autumn dry period of 2021. The results of studies indicate an increase in nitrate content and a decrease in phosphate and ammonium content in the dry period. Deviations from the pH norm in several studied samples and low total mineralization of water from natural springs were observed, which may have a negative impact on human health during long-term consumption. Possible impact factors of decentralized drainage and anthropogenic load of tourist establishments on the potential increase in groundwater pollution are provided, it is established that seasonal fluctuations occur primarily due to changes in the main feed sources and denitrification processes

Yaremche tourist destination is a place of the accumulation of a large number of explored underground springs with drinking water, a significant number of tourist flows, a widespread decentralized water supply system which together with the specifics of the mountain region and seasonality form an object relevant for regular monitoring. Underground springs and wells supply water to residential facilities in the region, and therefore monitoring studies of the physical and chemical composition of drinking water from underground springs and wells on the territory of Yaremche tourist destination is necessary. Covering the full range of geographical heights of the park, we have studied the drinking water quality of natural springs and wells in the private tourist estates for nitrates, nitrites, phosphates, and ammonium, determined the total mineralization, pH value, analyzed the results and based on them the impact of seasonal changes on the groundwater feed. The observation program included two hydrological seasons: the spring high water period and the autumn dry period of 2021. The results of studies indicate an increase in nitrate content and a decrease in phosphate and ammonium content in the dry period. Deviations from the pH norm in several studied samples and low total mineralization of water from natural springs were observed, which may have a negative impact on human health during long-term consumption. Possible impact factors of decentralized drainage and anthropogenic load of tourist establishments on the potential increase in groundwater pollution are provided, it is established that seasonal fluctuations occur primarily due to changes in the main feed sources and denitrification processes. [ABSTRACT FROM AUTHOR]