ASSESSMENT OF THE INFLUENCE OF NITRATES ON THE HEALTH OF THE POPULATION WHEN IT COMES FROM DRINKING WATER
DOI:
https://doi.org/10.11603/1681-2786.2023.2.14031Keywords:
drinking water, nitrates, public health, morbidityAbstract
Purpose: to identify the impact of drinking water with excessive nitrates on the health of the rural population of Ternopil region.
Materials and Methods. The data of the Ternopil Regional Center for Disease Control and Prevention of the Ministry of Health of Ukraine for 2016–2021 and the State Statistics Committee of Ukraine for 2016–2018 were used in the study, and bibliographical, analytical, hygienic and statistical research methods were used.
Results. 5,261 samples of drinking water from individual wells, which are used in the water supply of all areas of the population in 2016–2021, were analyzed. It was established that in the Ternopil region, excess nitrate content was determined most in Borshchyv, Zalishchytsky, and Pidvolochysky districts. The population of these areas also recorded the largest number of newly registered cases of diseases of the blood and hematopoietic organs and digestive organs.
Conclusions. Many residents of the Ternopil region have been drinking water from individual wells with an excessive amount of nitrates for many years, exposing themselves and their relatives, especially children, to the risk of various diseases. The relationship between the amount of nitrates in decentralized drinking water sources consumed by the population and the number of newly registered cases of diseases of the blood and hematopoietic organs is monitored, as evidenced by a positive correlation, high in the Borshchiv district (r=0.88; p<0.05; coefficient of determination 77.44 %) and moderate in Pidvolochysk (r=0.41; p<0.05; coefficient of determination 16.81 %). Taking into account the specifics of the toxic effect of nitrates on the body of young children, there is an urgent need to create a system of monitoring and protection against the negative effects of nitrates in the water of decentralized sources of pregnant women and children under 3 years of age.
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