Abstract
Water covers approximately 70.9% of earth’s surface and is a vital source for all known forms of life. The study highlights the pernicious elements present in water of Kali River. Various physico-chemical parameters, like Biological Oxygen Demand (BOD), Total Dissolved Solids (TDS), Total hardness, Chemical Oxygen Demand (COD), pH, Calcium, Magnesium, Chloride, and Sulphate were undertaken during present study. It has been found that Kharkhoda point is highly polluted causing severe water pollution as it has a contamination with BOD (90 mg/L), TDS (1036 mg/L), total hardness (418 mg/L), COD (420 mg/l), Ca (252 mg/L), Mg (218 mg/L), Cl (138 mg/L), Sulphate (120 mg/L) and pH (7.5) as compare to other three points of Kali river.. The entry point of the Kali Nadi in Meerut region that is Daurala, is least contaminated because none of industries are located in this area, only some of the waste is dumped into the river. Thus, the water from this area can be treated by some of the waste water treatment methods and can be used for irrigation purposes. Key words: Water pollution, industrial effluents, Kali river, physico-chemical parameters, waste water treatment.
Highlights
Water is one of the most common yet the most precious resources on earth without which there would be no life on earth
Wide range of variations was recorded in Total dissolved solids (TDS), Chemical Oxygen Demand (COD), biological oxygen demand (BOD), Colour, Odor, Total hardiness, pH, Calcium, Magnesium, Chloride, and Sulphate etc (Table 1)
Industrial activities contribute a lot to toxic wastes to the environment in general, this study was conducted to investigate the effects of industrial effluents on water quality of Kali river in Meerut
Summary
Water is one of the most common yet the most precious resources on earth without which there would be no life on earth. Pollution is a serious problem as 70% of India’s surface water resources and as growing number of its ground water reserves have been contaminated by biological, organic and inorganic pollutants. Life cannot exist without water because it is the major component of all living things. It is important both physiologically and ecologically as it plays an essential role in temperature control and is the medium in which many organisms live. Due to rapid growing urbanization, the quality of land water is being deteriorated by mixing up of industrial wastes and domestic sewage in our rivers (Abida et al, 2009). In urban areas, the careless disposal of industrial effluents and other wastes contributes greatly to the contamination of the water (Islam et al, 2010). A study on the impact of industrial effluents on water quality of Kali
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