Research Papers On Groundwater Quality

Research Papers On Groundwater Quality-52
Groundwater can be considered safe, but there is always a chance of contamination through chemical wastes in the heavily industrialized area of Morang and Sunsari Industrial corridor.Groundwater can be defined as water contained in an aquifer matrix located beneath the surface in the saturated zone naturally containing dissolved mineral ions [1,2,3].Factors like climate, slope, drainage conditions, water–rock interaction and anthropogenic activities contribute to the groundwater quality [4].

Groundwater can be considered safe, but there is always a chance of contamination through chemical wastes in the heavily industrialized area of Morang and Sunsari Industrial corridor.Groundwater can be defined as water contained in an aquifer matrix located beneath the surface in the saturated zone naturally containing dissolved mineral ions [1,2,3].Factors like climate, slope, drainage conditions, water–rock interaction and anthropogenic activities contribute to the groundwater quality [4].

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Nitrate can reach groundwater as a consequence of agricultural activity, wastewater treatment and oxidation of nitrogenous waste products in excreta [14, 15].

Higher contents (up to 3 mg/L) of ammonia are found in strata rich in humic substances or iron or in forests [16].

As per Nepal Drinking Water Quality Standards, fluoride and manganese too were not complying with the permissible limit.

Electrical conductivity, total dissolved solids, chloride, total hardness, calcium hardness, manganese, and total alkalinity show good positive correlation with major water quality parameters.

Turbidity in water arises from the presence of very finely divided solids [6].

Dissolved minerals, especially divalent cations cause total hardness in water.

Sampling was carried out using pre-cleaned polypropylene bottles.

Groundwater was collected in containers after flushing out the tubewells or borewells (minimum 10 min) in order to get the fresh groundwater.

Excess of fluoride is associated with fluorosis, hyperparathyroidism, increased bone resorption, and skeletal deformity [9,10,11].

Excess chloride in water is usually taken as an index of pollution and reflected as tracer for groundwater contamination [12, 13].

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