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• W4299614228 abstract "The article shows the role of the Dnipro and Desna rivers in the water supply of Kyiv. 2022 marks the 150th anniversary of the Kyiv centralized water supply system, which was built in 1872 with a water intake from the Dnipro. For a century and a half, technologies in water supply have changed, the role of the Dnipro as a source of water supply – the role of groundwater, and subsequently the Desna, increased. In 1939, the Dnipro water supply station was built, which is still in operation (design capacity 600 thousand m3/day). In 1961, the Desnyanska water supply station was built (1080 thousand m3/day). The design capacity of the artesian water pipeline is 420 thousand m3/day. The Dnipro River to Kiev (Upper Dnipro) and the Desna River form their waters on the territory of Polesie, which affects the chemical composition and quality of river waters. The water quality of the Dnipro River with an average annual salinity of about 290 mg/dm3 is influenced by the Pripyat River, the chemical composition of the water of which is formed in wetlands and contains a significant amount of humic substances. This leads to the fact that in certain periods during the spring flood, a tense situation arises regarding the purification of water from organic matter at the Dnipro waterworks. There is no such problem with the water of the Desna River with an average annual salinity of about 330 mg/dm3. But the threat to the Desna floodplain, which is easy to spot on the ground, is its development. Often – this is a building unforeseen by the general plan for the development of settlements. In recent years, the average daily rise in water by subdivisions of the private JSC “AK” Kyivvodokanal “is 700-720 thousand m3/day. The share of water supply sources in the city is as follows: Desna – 66%; Dnipro – 25%; artesian waters – 9%. A high specific indicator of drinking water use in Kyiv per one inhabitant was in 1991 – 588 L/day/person. In 2018, it decreased 2.6 times (225 L/day/person) compared to 1991; in 2019 – 2.6 times (223 L/day/person); in 2020 – 2.7 times. (219 L/day/person). This was facilitated by the introduction of market relations in the procedure for payment by the population for water supply and sanitation services. The centralized water supply of the city also provides for the centralized water disposal of wastewater generated in the process of water use. Built in 1965, the Bortnytska aeration station receives 100% of the city’s wastewater with the discharge of treated wastewater into the Dnipro River below Kyiv. The Dnipro together with the Desna River play an extraordinary role in the city’s water supply. The Dnipro remains the hydrographic axis of the Ukrainian capital." @default.
• W4299614228 created "2022-10-02" @default.
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• W4299614228 date "2022-01-01" @default.
• W4299614228 modified "2023-09-24" @default.
• W4299614228 title "THE IMPORTANCE OF THE DNIPRO AND DESNA RIVERS IN THE WATER SUPPLY OF KYIV – TO THE 150TH ANNIVERSARY OF THE KYIV CENTRALIZED WATER SUPPLY SYSTEM (1872-2022)" @default.
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• W4299614228 doi "https://doi.org/10.17721/2306-5680.2022.2.1" @default.
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