Articles
Mahindra current affairs magazine
Mahindra current affairs magazine published this article page no 28 water quality refers to purity of water or water without unwanted foreign substances. water gets polluted by foreign matters such as microorganisms chemicals industrial and other wastes. such matters deteriorate the quality of water and render it unfit for human use. when toxic substances enter lakes streams rivers ocean and other water bodies they get dissolved or lie suspended in water. this results in pollution of water whereby quality of water deteriorates affecting aquatic systems. sometimes these pollutants als...
Mahindra current affairs magazine
Mahindra current affairs magazine published this article page no 29 since there is a declining availability of fresh water and increasing demand the need has arisen to conserve and effectively manage this precious life giving resource for sustainable development. given that water availability from sea/ocean due to high cost of desalinisation is considered negligible india has to take quick steps and make effective policies and laws and adopt effective measures for its conservation. besides developing water saving technologies and methods attempts are also to be made to prevent the po...
Mahindra current affairs magazine
Mahindra current affairs magazine published this article page no 30 available water resources are degrading rapidly. the major rivers of the country generally retain better water quality in less densely populated upper stretches in hilly areas. in plains river water is used intensively for irrigation drinking domestic and industrial purposes. the drains carrying agricultural fertilisers and insecticides domestic solid and liquid wastes and industrial effluents join the rivers. the concentration of pollutants in rivers especially remains very high during the summer season when flow of...
Arihant current affairs magazine
Buy and subscribe here arihant current affairs magazine published this article page no 31 the central pollution control board cpcb in collaboration with state pollution control boards has been monitoring water quality of national aquatic resources at 507 stations. the data obtained from these stations show that organic and bacterial contamination continues to be the main source of pollution in rivers. the yamuna river is the most polluted river in the country between delhi and etawah. oth...
arihant current affairs magazine
Buy and subscribe here arihant current affairs magazine published this article page no 32 the water cess act 1977 meant to reduce pollution has also made marginal impacts. there is a strong need to generate public awareness about importance of water and impacts of water pollution. the public awareness and action can be very effective in reducing the pollutants from agricultural activities domestic and industrial discharges. recycle and reuse of water another way through which we can impro...