Boron (В) is widely spread in surface and ground waters. The article deals with the problem of drinking groundwater quality. Groundwater is the only source of water supply, in the most districts of the Altai Region. This suggests that the quality of groundwater is of great importance for the population of the region. Drinking water should be suitable for human consumption and for all household purposes. The main attention is focused on identifying the area of distribution B containing waters with the content exceeding the maximum permissible concentration (MPC). The relationship between В and dry residue (MCO) is analyzed. Crucial factors responsible for high В concentration have been identified. The general complex research of presence, distribution and sources of В inflow into groundwaters of the Altai Region are defined in the article. The relationship between the В content and the high incidence of people living in areas with a high В content has been revealed. It was found that high concentrations of В (more than 0.5 mg/l) correspond to the zone of brackish water distribution, which occupies almost the entire territory of the steppe Altai - Kulundinsko-Barnaul artesian basin. Their distribution coincides geographically with the distribution of В.
The paper focuses on the influence of aggressive groundwaters on concrete and reinforced concrete structures in Barnaul (Russia), affecting their durability. The exposure to aggressive waters can significantly reduce the reliability and safety of the operated buildings. The paper analyzes the chemical composition of groundwaters obtained from engineering and geological surveys in Barnaul. The processing of the products determined the type and intensity of the aggressiveness. The presence of aggressive groundwater was considered for each dedicated aquifer involved in the interaction between the geological environment and construction. The research resulted in the compilation of a map of aggressive groundwater distribution in Barnaul. The authors note that this problem is insufficiently studied, especially considering the technogenic load on the geological and hydrogeological environment and the accumulated experience. It is necessary to continue studies to determine the exact boundaries of the aggressive groundwaters in urban areas. Particular attention should be paid to geological processes of “flooding,” because they affect groundwater aggressiveness.
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