A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Pdf overview on water resources and pollution researchgate. Pdf on jan 1, 2016, asha gupta and others published water pollution sources,effects and control find, read and cite all. Pdf on jan 1, 2016, asha gupta and others published water pollutionsources,effects and control find, read and cite all. This may be defined in terms of the undesirable changes in the chemical and physical properties of water which are not favourable to all those living things utilizing water for their lives. Water pollution is the contamination of water bodies e. Water pollution is a global problem, which differs with levels of development. Human activities as a source of pollutants and water quality. Water pollution international centre for environment audit and. As water moves through the urban watershed, it picks up everything in its path. The health of the rivers, lakes, and wetlands can be directly related to the type of. Use of proper water management techniques to prevent contamination of water bodies with amd and neutralization acidity of water by active and.
The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes, thermal pollution, industrial wastes, nutrient enrichment, acid rain. In 2016, 86% of river water bodies had not reached good ecological status. The water framework directive sources of pollution overview. The welldefined sources that emits pollutants or effluents directly into different water bodies of fresh water are calledpoint sources. This paper tries to discuss basically what water pollution is and equally to address the source, effect control and water pollution management as a whole. Nonpoint source pollution refers to runoff that enters surface waters through. Globally, 80 percent of municipal wastewater is discharged into water bodies.
Impediments of restoration of mining affected water bodies. Holistic management strategies of organic waste will be required to achieve a more comprehensive and permanent solution for nutrient pollution and reduce the human. Restoration of water bodies shall be helpful in improving the soil quality and agriculture productivity. Water pollution from agriculture food and agriculture organization. Water pollution air pollution soil pollution biological nuclear. A watershed is the land area that sheds water to a drainage system or river. Point source pollution enters a water body at a specific site and is generally readily. Moreover, documents related to public health aspects may also consider water pollution. Human activities as a source of pollutants and water. Sources of pollution include untreated sewage, chemical discharges, petroleum leaks. Water resources in most developing countries are being polluted beyond their capacity to. Water pollution with special reference to pesticide. States of america, agriculture is the main source of pollution in rivers and. For most of these watersheds that is the pacific ocean.
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