1. bookVolume 41 (2022): Edizione 2 (June 2022)
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eISSN
1337-947X
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24 Aug 2013
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access type Accesso libero

Water Quality from the Sources of Non-Centralized Water Supply within the Rural Settlements of Zhytomyr Region

Pubblicato online: 04 Jul 2022
Volume & Edizione: Volume 41 (2022) - Edizione 2 (June 2022)
Pagine: 126 - 134
Ricevuto: 15 Jul 2021
Accettato: 30 Nov 2021
Dettagli della rivista
License
Formato
Rivista
eISSN
1337-947X
Prima pubblicazione
24 Aug 2013
Frequenza di pubblicazione
4 volte all'anno
Lingue
Inglese
Abstract

The research was conducted within the territories of rural settlements of Zhytomyr region. A total of 72 sources of non-centralized water supply were surveyed. Water quality was assessed by physical and chemical (pH, iron total, total water hardness) and toxicological (nitrites, nitrates, and ammonium) indicators, the content of which was compared with the norms given in the State Sanitary Regulations and Standards 2.2.4-171-10 “Hygienic Requirements for Drinking Water Intended for Human Consumption.” The assessment of drinking water quality was carried out in accordance with DSTU (National Standards of Ukraine) 4808:2007 and with the water quality index (WQI). It was found that the largest deviations from the norm among toxicological indicators were observed for nitrates – 63.9%. In terms of water quality classes according to DSTU 4808:2007, drinking water from sources of non-centralized water supply of villages showed the following distribution: 2.8% of the samples belonged to class 1 (excellent water quality), 72.2% to class 2, and 25% to class 3. According to WQI, 16.7% of the examined sources of non-centralized water supply had excellent water, 63.9% had good water, and 19.4% had poor water. Despite the fact that the water from the investigated sources of non-centralized water supply was of acceptable quality, it is impotable due to the excessive nitrate content. The results obtained show that there is a need for monitoring of drinking water quality from the sources of non-centralized water supply, especially in rural settlements that are not provided with centralized water supply.

Keywords

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