The article considers issues related to the problems of providing drinking quality water to populations of rural settlements of the Omsk region. For a significant number of the population in Omsk region water does not meet the established standards for quality and is not provided in the required quantity. Existing water supply systems in the region were built mainly in 1960-1970. In this regard, the main problems are associated with the deterioration of water supply networks and structures, including damaged groundwater intake structures. One of the features of Omsk region water resources is the significant pollution of both surface and underground water sources. The geological and hydrogeological state of underground water resources is analyzed on the example of one small settlementthe Gorkovsky district in Omsk region. Recommendations on bringing the underground drinking water quality up to the standards, the liquidation tamping of wells and the construction of Source water protection for underground water intake are given.
The paper presents the results of the analysis of geological and hydro-geological situation in the Krutinsky district of the Omsk region, as well as the assessment of the quality of groundwater in terms of environmental friendliness of their use for potable water supply. In hydro-geological terms, the research area is located within the Irtysh artesian basin, covering a vast territory in the south of the West Siberian lowland. The Cenozoic sediments that compose the described territory contain a number of underground reservoirs, horizons and water-resistant strata separating them. The waters of Quaternary, Neogene and Oligocene sediments are of practical importance as a source of water supply. Groundwater is exploited by wells and shallow waters (in Neogene and Quaternary sediments) are exposed and exploited by many shaft wells. The article provides a generalized characteristic of the quality of underground waters of Quaternary, Neogene and Paleogene deposits, as well as production wells drilled in the Krutinsky district of the Omsk region. As a result of research, it was found that groundwater does not meet the requirements of SanPiN 2.1.4.1074-01. The use of these waters for household and drinking purposes will be environmentally safe for the population only if such indicators as turbidity, color, chlorine, iron, dry residue and microbiological indicators are adjusted.
The article describes the sources of water supply inKormilovka district of Omsk region. The main sources of water are surface waters of the Om and Taburga rivers, lakes and artificial reservoirs, groundwater. In general, the territory of Kormilovka district lacks fresh groundwater. Currently, water is supplied by hydraulic structures on the Omriver as part of water intake and treatment facilities, water pipelines and a pressure distribution network. Water supply from underground sources is carried out from tubular wells with a depth of 5.0 - 9.0 m, from wells with a depth of 200 m and deep-water wells of about 1100 m. Water intakes from underground sources are available in almost all rural settlements, but they are used for technical and (or) economic purposes. An ecological assessment of the state of surface and underground sources isprovided. The results of an analysis of the geological and hydrogeological situation are presented. Of greatest interest are Neogene-Quaternary, Upper Oligocene-Lower Miocene and Lower Upper Cretaceous (Pokursky) complexes. According to the generalized characteristics of quality of groundwater from three underground aquifers in Kormilovka district, the most acceptable is the Pokursky aquifer, since itsgroundwaters are less mineralized, softer, more protected, and, consequently, their microbiological and parasitic indicators comply with the sanitary standards. When using both surface and groundwater for household and drinking purposes, it is environmentally safe for the population only after adjusting such indicators as turbidity, color, chlorine, iron, and dry residue content and bringing the microbiological indicators to SanPiN 2.1.4.1074-01 and SanPiN 2.1.4.544-96.
The article deals with the problem of drinking water supply to population. The water supply sources of Azovsky Nemetsky (German) National District of the Omsk Region are characterized in the research. The Irtysh River is the main source of drinking water supply. In general, the studied district is situated in the territory with a shortage of fresh groundwater. Currently, the water supply to Azovsky Nemetsky (German) National District settlements is provided by a complex of hydraulic constructions of the Lyubino-Isilkul and Tavrichesky group water conduits. These pipes take water from the Irtysh River as part of water intake and treatment facilities, water pipelines and a pressure distribution network. In addition to the generally accepted water supply from the group water conduit we define the aquifers of the lower Miocene deposits of the Abrosimov (N1 ab) and upper Oligocene deposits of the Zhuravsky suites (P3 zr) with water mineralization from 1.3 to 5.4g/l. as the most potentially productive in the period of increasing anthropogenic load within Azovsky Nemetsky (German) National District. In case of their usage for drinking water supply the technology of demineralization is recommended.
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