Assessment of potable water quality of surface water (tuikhur) and hand pumps in Siaha, southern Mizoram
Authors: J. Blick, S. Kumar
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The present study focused on the physico-chemical characterization of potable water from hand pump (groundwater) and sub-surface (tuikhur) water in Siaha, Mizoram, during pre-monsoon season of 2017. pH, total dissolved solids (TDS), electrical conductivity (EC), turbidity, total alkalinity (TA), total hardness (TH), iron (Fe), magnesium (Mg), calcium (Ca), nitrate (NO3), sulphate (SO4) and chloride (Cl) and their mean values obtained were 7.1, 67.72 mg/L, 103 mg/L, 1.8 NTU, 43.9 mg/L, 45 mg/L, 0.30 mg/L, 6.24 mg/L, 7.21 mg/L, 0.23 mg/L, 3.27 mg/L and 9.51 mg/L respectively. The results revealed that all these water samples were well within permissible limits established by World Health Organization (WHO), and Bureau of Indian Standards (BIS). Hence, they are suitable for drinking purposes. However, Iron contents at few sites are found exceeding the permissible value of 0.3 mg/L.