首页|Geochemical Water Quality Assessment of Ground and Surface Water of Bhopal City, India: A New Status
Geochemical Water Quality Assessment of Ground and Surface Water of Bhopal City, India: A New Status
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NETL
NSTL
This work represents the water quality assessment of surface and groundwater sources of the Bhopal city in the Indian state of Madhya Pradesh. The sixteen physico-chemical parameters have been checked on a monthly basis for 10 months in accordance with APHA (2017). The water was collected from the tubewells and reservoirs located in Bhopal. The nine water samples were tested monthly, including four surface water and five groundwater samples. The findings were subjected to a water quality index study and mathematical modelling was used to draw conclusions. The physico-chemical data was also investigated for the Gibbs and Piper plot and it was inferred that both water sources belong to rock dominance with NaHCO_3 hydrochemical facies. The high iron (Fe) content of the groundwater site, Kolua Khurd (3.33 mg/L), exceeded the permissible limit (1.0 mg/L) given by the World Health Organization (WHO). The chemical oxygen demand (COD) value (53.85 mg/L) for the upper lake indicated contamination of the principal drinking water source due to highly oxidizable inorganic pollutants from the city. The water quality index (WQI) values (189.11 > 180.82 > 178.89 > 159.4) for surface water sites, namely SW3, SW1, SW4 and SW2, respectively, suggested that the quality of water is deteriorating here. The WQI values (241.74> 175.39 > 141.93>141.15>132.09) for groundwater sites, such as GW4, GW3, GW5, GW1 and GW2, are informed that water is poor and of low quality. The other parameters ensure the safe drinking parameters of water. The results showed that the water sources in Bhopal are getting unsuitable and polluted for drinking purposes. They should be chemically treated for future needs.
NETL
NSTL
