Some physicochemical parameters related to groundwater quality obtained from Thittakudi taluk, Cuddalore district of Tamilnadu was investigated for the purpose of drinking. Total 40 groundwater samples are collected from tube wells during the month of February 2014. In the groundwater samples analysed in physic properties and chemical characters such as pH, EC, TDS, major cations and major anions were measured using standard procedure. The physical properties values are varied from pH (6.9 to 8.1), EC (610 μmho/cm to 3984.38 μmho/cm) and TDS (502 to 2550). Similarly major ions Ca (48 to 119), Mg (31.6 to 114), Na (3.7 to 75.7), K (1 to 66.1), HCO3 (162.5 to 420.9), SO4 (0.1 to 11.5), Cl (130.43 to 487.44) and NO3 (5 to 25.1) all parameters except pH and EC indicate the unite of Mg/l. all the measured parameters compared with WHO (2014) standard for drinking water quality permissible limit. In this case the study area samples are occurred some samples above and below the limit, which is the affect the some anthropogenic activities.
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