In simple words, the contamination of water bodies means water pollution. Pollution poses a serious risk to life especially when the water is a source of drinking and for domestic purposes for humans polluted waters are potent agents of diseases such as cholera, typhoid and. Pdf sources and causes of water pollution in bangladesh. Pdf causes, effects and solution of water polution. As may be evident, untreated sewage is the biggest source of such. Excess fertilizer, herbicides and pesticides when washed by rain into rivers causes serious danger to life.
These are directly pointed towards the water bodies from the source of origin of pollution and are thus easy to regulate. Page 2 sources of beach water pollution natural resources defense council testing the waters 2014. The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes, thermal pollution, industrial wastes, nutrient enrichment, acid rain pollution, oil spillage, the disruption of sediments. This paper focused on the causes and sources of water pollution in a broad sense.
If water is polluted in a area, then the all living creatures and people are faced to drink polluted water because they have no other option. Abdul azeemtextile processingntu water pollution introduction what is water pollution. Page 3 sources of beach water pollution natural resources defense council testing the waters 2014 in the great lakes region, warmer temperatures can lead to. Pollution of water occurs when substances that will modify the water in negative. No literature found which discuss ed the sources of water pollution in bangladesh.
These sources of pollution are easy to identify because the cause of. Pollutants may be natural or humancaused and may include contaminants that can affect water quality such as nutrients, sediments, organochlorines, heavy metals, oil and hydrocarbons, chemical constituents and pathogens. The effects of pollution are greater in shallow, enclosed or slow flowing streams. These sources are related to many diffuse sources and are thus difficult to. Some of the important sources of water pollution are discussed below. Sources and causes of water pollution that affect our environment. Water pollution is one of the biggest issues facing india right now. Some of the water pollution that is caused is by direct sources, such as factories, waste management facilities. Water pollution facts, types, causes and effects of water. Nonpoint source nps pollution, unlike pollution from industrial and sewage treatment plants, comes from many diffuse sources. Pdf on jan 1, 2016, asha gupta and others published water. It affects their bodies, skin, lungs, brain, liver and kidneys, caused cancers, birth defects and other diseases. Water pollution is any chemical, physical or biological change in the quality of water that has a harmful effect on any living thing that drinks or uses or lives in it. The causes of water pollution are directly related to the type of water pollution in question.
Nonpoint source pollution refers to runoff that enters surface waters through stormwater. Another source of water pollution is the discharge of hot water from cooling engines in the industries. Water pollution is not only confined to surface water but also spread to groundwater, sea, and ocean. This increases water temperature and lowers the metabolic rate of organisms.
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