Sources and causes of water pollution pdf

Pdf sources and causes of water pollution in bangladesh. No literature found which discuss ed the sources of water pollution in bangladesh. These are directly pointed towards the water bodies from the source of origin of pollution and are thus easy to regulate. Sources and causes of water pollution that affect our environment. Pollution of water occurs when substances that will modify the water in negative.

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. The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes, thermal pollution. In simple words, the contamination of water bodies means water pollution. Water pollution is the contamination of water bodies e. These sources are related to many diffuse sources and are thus difficult to. Some of the water pollution that is caused is by direct sources, such as factories, waste management facilities. The causes of water pollution are directly related to the type of water pollution in question.

Pdf causes, effects and solution of water polution. 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. These sources of pollution are easy to identify because the cause of. 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. Water pollution is not only confined to surface water but also spread to groundwater, sea, and ocean. 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. Pdf on jan 1, 2016, asha gupta and others published water. 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. Biological poisons biotoxins are water pollutants produced by. Water pollution is one of the biggest issues facing india right now. As may be evident, untreated sewage is the biggest source of such. When water pollution causes an algal bloom in a lake or marine environment, the proliferation of newly introduced nutrients stimulates plant and algae growth, which in turn reduces oxygen levels. The effects of pollution are greater in shallow, enclosed or slow flowing streams. This paper focused on the causes and sources of water pollution in a broad sense. Nonpoint source pollution refers to runoff that enters surface waters through stormwater. It affects their bodies, skin, lungs, brain, liver and kidneys, caused cancers, birth defects and other diseases. This increases water temperature and lowers the metabolic rate of organisms.

Page 2 sources of beach water pollution natural resources defense council testing the waters 2014. Some of the important sources of water pollution are discussed below. 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. 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. Another source of water pollution is the discharge of hot water from cooling engines in the industries. Excess fertilizer, herbicides and pesticides when washed by rain into rivers causes serious danger to life.