DOI 10.35776/VST.2021.09.04
UDC 006.3:628.1

Egorova Yu. A., Bykova P. G., Talovyria Larisa, Strelkova T. A., Nesterenko O. I.

On the introduction of new sanitary and epidemiological requirements for drinking water supply


The main source of water supply for the urban district of Samara is the Saratov reservoir. The municipal water treatment facilities were built according to the standard design and intended for clarification and disinfection of moderately polluted water. In recent years, a sharp decrease in the concentration of suspended solids and an increase in the concentration of organic pollutants (mainly of natural origin) have been observed in the water of the source. At low water temperature, high color indices and permanganate index, the need arises for continuous monitoring the optimal doses of chemicals in order to prevent the formation of residual aluminum in the purified water and permanganate index exceeding the MPC values in accordance with SanPiN By Decree of the RF Chief Sanitary Officer No. 3 of January 28, 2021, new sanitary rules and regulations have been approved and effective in the Russian Federation since March 1, 2021: SanPiN 2.1.3684-21 and SanPiN 1.2.3685-21 that require a more stringent approach to the quality of the purified water. The validity period of the current SanPiNs is until March 1, 2027; however, they do not provide for a transitional period for the operators of water supply and wastewater disposal systems that have to arrange and conduct epidemiological (preventive) measures to ensure drinking and domestic water supply meeting the requirements of SanPiN 2.1.3684-21 and SanPiN 1.2.3685-21. The water treatment facilities in Samara in the transition period need upgrade, and some of them need reconstruction. To carry out the research specified in the regulatory documents, updating the equipment of production laboratories and expanding the scope of their accreditation are needed. Equipping accredited laboratories with advanced means of comprehensive monitoring of drinking water quality will improve the efficiency and reliability of the analysis results.

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  4. Egorova Iu. A., Bykova P. G., Nesterenko O. I., Strelkova T. A. [Optimization of water treatment costs in the process of abstraction from surface water sources]. Vodosnabzhenie i Sanitarnaia Tekhnika, 2018, no. 12, pp. 10–13. (In Russian).

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