Monitoring the quality of drinking water of the regional decentralized water supply

Bayanova, A. A.

doi:10.1088/1755-1315/315/5/052014

IOP Conf. Ser.: Earth Environ. Sci.

2019

DOI: 10.1088/1755-1315/315/5/052014

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Monitoring the quality of drinking water of the regional decentralized water supply

A. A. Bayanova

Abstract: Despite the fact that the Irkutsk region belongs to areas with a large supply of fresh water, the monitoring surveys carried out on the quality of drinking water from decentralized water supply have shown that the inhabitants of the region lack quality drinking water. This is especially true of the population in rural districts and small towns where water supply is mostly not centralized. Studies have revealed a significant excess of standards for sanitary-chemical and microbiological indicators due to the hig… Show more

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Cited by 4 publications

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Assessment of drinking water quality within amalgamated territorial communities

Valerko¹,

Herasymchuk²,

Hurskyi³

et al. 2021

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One of the main problems of rural residential areas is to provide the local population with quality drinking water, which is a major factor influencing their health. To solve this problem, it is necessary to implement effective measures not only at the state level but also at the regional and local levels. The main purpose of decentralization of power is to transfer the power and appropriate financial resources to the lowest levels of local self-government, which makes it possible for created amalgamated communities to use these resources to solve the priority issues. However, to determine the ecological state of rural settlements in the subsystem of drinking water quality, it is necessary to assess its quality in the territory where the community is situated. The investigation was carried out in 15 rural settlements of the Teterivka amalgamated community of the amalgamated Zhytomyr district. 36 water samples were selected from the sources of non-centralized water supply. Water quality classes were determined following DSTU (National Standards of Ukraine) 4808:2007 “Sources of Centralized Drinking Water Supply. Hygienic and Environmental Requirements for Water Quality and Selection Rules”. As a result, it has been established that nitrates make the largest contribution to the pollution of drinking water. In 47% of the selected samples, the nitrate content on average exceeded the norm; and in 46.7% of the investigated settlements, water belongs to quality class 4, defined as “mediocre”, “partially potable” of undesirable quality. A critical situation was recorded in the villages of Mykhailivka, Nova Rudnia and Staroshiika, where the nitrate content in all selected samples of the well water exceeded the norm. On average, 61% of the selected water samples did not meet the standard and were below the standard. According to the pH indicator, the quality classes vary from “excellent”, very pure water grading to the class of “good”, pure water of the desired quality to “satisfactory”, slightly contaminated water of acceptable quality. The total iron content exceeded the standard in 5.6% of the selected samples.

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Assessment of drinking water quality within amalgamated territorial communities

Valerko¹,

Herasymchuk²,

Hurskyi³

et al. 2021

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Ecological Assessment of the State of Drinking Water Within the United Territorial Communities of the Enlarged Zhytomyr District

2021

Man and Environment. Issues of Neoecology

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Purpose. Assess the quality of drinking water of sources of decentralized water supply of rural settlements of Berezivka united territorial community of the enlarged Zhytomyr district. Methods. Field, laboratory-analytical, statistical. Results. As a result of research it is established that the greatest contribution to the pollution of drinking water is made by nitrates, the excess content of which was recorded on average in 50.7% of the selected samples, and in 57% of the studied settlements water belongs to quality class 4, "Limited" given undesirable quality. A critical situation was recorded in Bolyarka, Bondartsi, Dubovets and Cheremoshne villages, in which well water had increased content of nitrates in all selected samples. On average, 34% of the selected water samples do not meet the standard for the pH value in the direction of its reduction. In terms of pH, quality classes vary from "excellent", very clean to "good", clean water with a bias to the class of "satisfactory", slightly contaminated acceptable quality). The total iron content exceeded the standard by 6.6% of the selected samples. Conclusion. It is proved that the formation of the general class of water quality is significantly influenced by a group of general sanitary indicators, which is primarily due to the high content of nitrates in the studied sources of decentralized water supply. The calculation of the integrated ecological index of development of rural settlements according to the indicators of drinking water quality showed that such rural settlements as: Zamozhne and Sadky need priority attention; 11 settlements need improvement; only village of Vasylivka needs support at the same level.

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Assessment of peroral intake of nitrates with drinking water for different sections of the population of Zhytomyr region

Valerko¹,

Herasymchuk²

2021

Dovkil Zdor

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Objective: We assessed the degree of risk to the health of the rural population of different ages with constant peroral intake of nitrates with drinking water. Materials and methods: The study was conducted within the rural residential areas of Zhytomyr region and it is a part of the research "Ecological and social assessment of the state of rural residential areas in the context of sustainable development." Drinking water samples were taken from public and private sources of decentralized water supply: wells, bore-wells and natural sources. A total 549 water samples were taken. In the study, we used general scientific methods: analytical, field, laboratory and statistical ones. Results: Among the studied areas, the largest excess of the average content of nitrates was recorded in drinking water of rural settlements of Berdychiv district. The risk assessment showed that the children aged 0-10 years were the most sensitive population to nitrates, and the women were more vulnerable to nitrates than the men among the adult population. The significant correlations between an excess of nitrate content in drinking water and cancer among adults and children in Berdychiv district have been proven. Conclusions: It has been proven that with a constant oral intake of nitrates with drinking water, harmful effects on the health of the rural population are observed, which, according to their sensitivity to their action, were distributed as follows: children 0-10 years old> adult women> adult men> adolescents.Taking into account the results obtained, it is necessary to monitor constantly the quality of drinking water sources of decentralized water supply in rural areas and to inform the rural population about water quality and the impact of its impurities on human health.

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Monitoring the quality of drinking water of the regional decentralized water supply

Cited by 4 publications

References 1 publication

Assessment of drinking water quality within amalgamated territorial communities

Assessment of drinking water quality within amalgamated territorial communities

Ecological Assessment of the State of Drinking Water Within the United Territorial Communities of the Enlarged Zhytomyr District

Assessment of peroral intake of nitrates with drinking water for different sections of the population of Zhytomyr region

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