Tag:total hardness



UDC 628.161
DOI 10.35776/VST.2023.11.02

Egorova Yu. A., Strelkov A. K., Nesterenko O. I., Strelkova T. A., Talovyria Larisa

Measures to supply Samara Urban District with drinking water from surface and underground water sources in accordance with 2.1.3684-21 and 1.2.3685-21 Sanitary Rules and Regulations


In accordance with the Resolution of the Chief Sanitary Doctor of the Russian Federation dated January 28, 2021 No. 3, new sanitary rules and regulations have been approved and in force in the Russian Federation from March 1, 2021, requiring a more stringent approach to the quality of purified water: SanPiN 2.1.3684-21 «Sanitary and epidemiological requirements to the maintenance of the territories of urban and rural communities, to water bodies, drinking water and drinking water supply, atmospheric air, soil, residential premises, operation of industrial and public premises, arrangement and implementation of sanitary and antiepidemic (preventive) measures» and SanPiN 1.2.3685-21 «Hygienic standards and requirements to ensure the safety and (or) harmlessness of environmental factors to humans». In this regard, the specialists of Samara Utility Systems LLC are carrying out a comprehensive upgrade and reconstruction of the water supply and wastewater disposal systems in Samara with the purpose of improving integrally the qualitative and quantitative performance of the systems. Measures have been developed for the reconstruction and modernization of water treatment facilities to provide for the concentration of residual aluminum and chloroform meeting the sanitary standards. The implementation of the activities is planned for the period from 2024 to 2041.

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