Abstract
The article describes the results of conducted groundwater quality control. Controlled quality indicators included the following microelements - barium, manganese, iron, mercury, iodine, chromium, strontium, etc. Quality control charts - X-bar chart and R chart - were built. For the upper and the lower threshold limits, maximum permissible concentration of components in water and the lower limit of their biologically significant concentration, respectively, were selected. The charts analysis has shown that the levels of microelements content in water at the area of study are stable. Most elements in the underground water are contained in concentrations, significant for human organisms consuming the water. For example, such elements as Ba, Mn, Fe have concentrations that exceed maximum permissible levels for drinking water.
Highlights
Water quality control is an ongoing important task
The purpose of the study is to perform control of water quality indicators and to determine the elements contained in underground water in biologically significant concentrations
Research object and method We have examined the results of chemical analysis of underground water, selected from 343 wells of Ob-Tomsk river value (Russia) in 1962-2009 years
Summary
Water quality control is an ongoing important task. Water quality: characteristics of water composition and properties, determining its suitability for specific types of water use. Quality indicators: a list of water properties, which numerical values are compared against the water quality standards. Quality standards: officially established values of water quality indicators for specific types of water use. When organizing the process of water quality assessment, there arises a task of monitoring the groundwater characteristics being within the limits, for the groundwater to be able to meet its intended usage purpose. In the process of monitoring, various parameters of groundwater quality are compared against benchmarks, established in standards, regulations and technical conditions [1]
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