Abstract
The present investigation was carried out in BBN (Baddi-Baroutiwala-Nalagharh) area of Solan districtof Himachal Pradesh. The sources, Hand pumps and bore wells taken for the sampling ofunderground water in this study area. This study of underground water is focused on seasonalvariation of the quality of groundwater and level of pollution in underground water sources inBBN area. The analysis of physico-chemical parameters of six sampling stations during April, 2018to December, (2018). Parameters such as Temperature, pH, turbidity, Total alkalinity, Total Dissolved Solids (TDS), sodium, cadmium, copper, iron, lead etc. The analysis results were carried out according to APHA, 2012 procedures. The results obtained have been compared with BIS standards for drinking water (BIS: IS: 10500, 2012). The result revealed that the concentration of mostly physico-chemical parameters found higher in monsoon season as compared to summer and winter seasons. The assessment shows that underground water of this area is not suitable for drinking purpose without purification. Domestic sewage and Chemicals or industrial effluents are the main responsible factors for quality degradation of underground water in the BBN area.
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