Assessment of Iron and Manganese Concentration Changes in Kaunas City Drinking Water Distribution System
Keywords:drinking water, iron, manganese, environmental factor, concentration changes
AbstractEnvironmental factors may affect the quality of drinking water supplied by municipal water distribution network. The aim of this study was to analyze the factors influencing changes in concentrations of iron (Fe) and manganese (Mn) in Kaunas drinking water distribution network. Analytical study on the drinking water quality was performed. Concentrations of manganese and iron in drinking water were assessed by using an atomic absorption spectrophotometer. Correlation between the changes in manganese concentrations and the distance from the water treatment plant was found, the correlation coefficient was -0.367; p=0.022, however, for iron it was 0.179; p = 0.148. At some sampling points the concentrations of Mn and Fe exceeded the regulated limits. To ensure the water quality and to avoid possible adverse health effects it is recommended to install Mn and Fe filter system in a consumer's drinking water pipeline.
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