Wastewater treatment sources of water pollution britannica. Sep 20, 2017 sumit thakur uncategorized download sources of water ppt power point presentation pdf. Have your students turn to the topographic map of the survey area. There are many types and sources of water pollution. In addition, human waste also leads to groundwater pollution. A case study of delhi, international journal of current advanced research, 07 2, pp. Water pollution can make our current water shortages even worse than they already are. Point sources are localized identifiable sources of contaminants, such as power plants, refineries, mines, factories, wastewater treatment plants, etc. Jul 31, 2016 water pollution is one of the biggest issues facing india right now. Water pollutants may originate from point sources or from dispersed sources. Owa department of integrated science, federal college of education, okene, kogi state, nigeria phone. The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes, thermal pollution, industrial wastes, nutrient enrichment, acid rain.
This type of pollution is currently responsible for about 36% of the pollution related to failing water bodies. Point sources these are pollutants that are discharged at specific locations through pipes, ditches or sewers into bodies of surface waters. Just as ground water generally moves slowly, so do contaminants in ground water. Types and sources of water pollution there are several major types of water pollution. Thus, if groundwater is contaminated, connecting springs, streams, and lakes may suffer the consequences as well. Nutrient pollution and the subsequent algae blooms are to blame for toledos drinking water shortage in the summer of 2014. Though water pollution may occur from a variety of sources, there are two terms used to describe how the water became polluted. Petroleum products, such as oil and gasoline, enter the water from ships and marine terminals, offshore oil rigs, runoff from parking lots, factories, oil dumping, and other sources. It can lead to pollution on a large scale and be a cause of major illness in humans. Higher the frequency or lower the wavelength of a radiation. The clean water act ensures that this type of pollution is monitored and since its enactment in 1972, our rivers and streams have far less of this type of pollution. Sources with industrial, domestic, and other waste.
Land pollution ppt and pdf download sources of water ppt and. Types, sources, effects, control of radiation pollution. Both for the purpose of this research, emphasis are on water pollution and control. Water pollution results when contaminants are introduced into the natural environment. Present drinking water can be defined into three different classifications and they are mentioned below. Factors affecting bacteria levels include seasonal weather, stream flow, water temperature, distance from pollution sources, livestock. Sources and effects written by aos treatment solutions on november 6, 2018. Using the picture, list sources of pollution such as sewage pollution that can pollute surface water or. Polythene bag and plastic waste is a major source of pollution. A rise in the optimum water temperature through a method steel.
Pdf on jan 1, 2016, asha gupta published water pollutionsources,effects and control find, read and cite all the research you need on researchgate. All that the susquehanna bears flows to the chesapeake bay. Factors affecting bacteria as with many water pollutants, the behavior of fecal coliform and e. Page 3 sources of beach water pollution natural resources defense council testing the waters 2014. Project oceanography neighborhood water quality fall 2000 neighborhood water quality lesson 2.
Causes of water pollution factors that contribute to water pollution can be categorized into two different groups point sources nonpoint sources point sources are the easiest to identify and control non point sources are ambiguously defined and harder to control. Describe how water pollution reduces the amount of safe drinking water available. Nonpoint source pollution is caused by rainfall moving over. Biotoilets, bioremediation next post water pollution water pollution is the additionpresence of undesirable substances toin water such as organic, inorganic, biological, radiological, heat, which degrades the quality of water so that it becomes unfit for use. Water pollution occurs when harmful substancesoften chemicals or microorganismscontaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and. Permitted discharges from factories and wastewater treatment. Tackling water pollution from the urban environment. For information, many countries in the world have undergone this calamity endangering the lives of people where such situations occur. Surface water contamination is a significant problem for municipal authorities. Water pollution control a guide to the use of water quality. Although the soil does filter out many contaminants, it does not protect the groundwater entirely. Nov 15, 2019 water pollution is not only confined to surface water but also spread to groundwater, sea, and ocean. Water pollution is the contamination of water bodies, usually as a result of human activities.
Water pollution is the contamination of all the abovementioned sources of water. Causes, consequences, prevention method and role of wbphed with special reference from murshidabad district rozina khatun research scholar, department of geography, tilka manjhi bhagalpur university, bihar, india. Pdf water is an essential renewable resource, increasing population, deforestation, soil degradation and desertification, soil and water. Aug, 2018 nutrient pollution and the subsequent algae blooms are to blame for toledos drinking water shortage in the summer of 2014. 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 tuberculosis. The term water pollution can be briefly defined as any alteration in physical, chemical or biological properties of water, rendering the water harmful to public health and safety. Most surface water interacts with underground water sources. Water pollution facts, types, causes and effects of water. Water pollution is categorized by where it originates or its source.
Factories, sewage treatment plants, abandoned underground mines and oil tankers. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. A technical overview article pdf available december 2017 with 18,546 reads how we measure reads. Water pollution international centre for environment audit and. Study area murshidabad district is northernmost district of the. Pdf sources and causes of water pollution in bangladesh. Causes of water pollution can be classified under two broad categories, point source. Radiation is the process by which radiant energy is transferred from one place to another in the form of electromagnetic waves. Ask students to name possible pollution sources that might be found in the survey area. Totazada 2001,in the study the chapala lake in mexico reveals the major sources of water pollution in mexico, major pollutants of the lake are municipal,industrial and agricultural runoff. Sources of water pollution water pollution in nigeria according to gbamanija 1998 arises from various activities, among which are.
Water pollution is one of the biggest issues facing india right now. 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. Types of water pollution this is a major problem that affects both animals and people, and it should be taken seriously because the damage it can cause could be irreversible. In the great lakes region, warmer temperatures can lead to another source of pollution. With water bodies being scattered throughout the globe, the ways in which we pollute water is also diverse. Pdf causes, effects and solution of water polution. When the quality of water is degraded as results of modification in close water temperature its referred to as pollution that affects the water quality and that type water termed anomaly for consumption is significantly for drinking purpose. Sources and effects of groundwater pollution earth eclipse. Using the picture, list sources of pollution such as sewage pollution. As may be evident, untreated sewage is the biggest source of such form of pollution in india.
Point source pollution point source pollution enters the stream from site, such as a factory, and usually enters through a pipe. Water pollution affects plants and organisms living in these bodies of water and in almost all cases the effect is damaging not only to individual. This means that one or more substances have built up in water to the extent of causing problems to people, animals and plants. Problems, sources, and policy 29 nitrogen pollution in groundwater human infants, during the first few months, are susceptible to acute nitrate poisoning caused by consuming water with nitrate concentrations of 10mgl or greater. The atmosphere is a dynamic system, which steadily absorbs various pollutants from natural and anthropogenic sources. Download sources of water ppt power point presentation pdf. Sources of pollution include untreated sewage, chemical discharges. A rise in the optimum water temperature through a method steel factories, power homes, and energy plants might even be.
Ask students to name all of the possible human and natural activities that might be taking place within the watershed. Water pollution sources can be categorised as follows. Because of this slow movement, contaminants tend to remain concentrated in the form of a plumesee figure 1 that flows along the same path as the ground water. Water pollution is the contamination of water bodies e. Pdf on jan 1, 2016, asha gupta published water pollutionsources, effects and control find, read and cite all the research. Water pollution occurs when the water becomes overloaded with too much of one thing and the aquatic organisms cannot keep up with their cleaning responsibilities.
States of america, agriculture is the main source of pollution in rivers and streams. Waste is thrown away by putting it in to plastic bags 11. One of the most destructive types is petroleum pollution. Sumit thakur uncategorized download sources of water ppt power point presentation pdf. In the united states and other countries, these practices are regulated, although this doesnt mean that pollutants cant be found in these waters. Can be heard thousands of kilometers away under water. Nonpoint sources are those that are distributed over a wide. Pdf on jan 1, 2016, asha gupta published water pollution sources,effects and control find, read and cite all the research you need on researchgate. It is relatively straightforward to identify polluters in this case.
Nitrogen and phosphorus pollution comes from inefficient sewage treatment systems and from some agricultural practices. Sources and causes of water pollution in bangladesh. Source of pollution an overview sciencedirect topics. It is one of the most serious ecological disasters we are facing today. The impact of pollution is not only evident in local waterways. Fresh water pollution may be classified into two types. Wastewater treatment wastewater treatment sources of water pollution. Water pollution is the contamination of water in water bodies such as rivers, oceans, lakes and swamps. When water is polluted from point sources, this is pollution from a. It is estimated that three core people of urban areas defecate in open.
Point source when pollutants enter the water course at specific. Humans and all living species in the world are facing worst results of polluted water. Read this article to learn about the types, sources, effects and control of water pollution. The population is growing and so is the development of fields that require a lot of it. Water pollution is a global challenge that has increased in both developed and developing. The sources of water pollution can be categorised as point or nonpoint sources. A pointsource pollutant is one that reaches water from a single pipeline or channel, such as a sewage discharge or outfall pipe. These sources are related to many diffuse sources and are thus difficult to. For convenience, the sources of contamination of water can be classified as natural and anthropogenic manmade. Apart from endangering life groundwater pollution lead to waterborne diseases. Water pollution is not only confined to surface water but also spread to groundwater, sea, and ocean.
Point source pollution enters a water body at a specific site and is generally readily. Pdf on jan 1, 2016, asha gupta published water pollutionsources,effects and control find, read and cite all the research. High school earth sciencewater pollution wikibooks, open. Abstract water is life for all but this water is polluting day by day in severe condition. Point source pollution is discharged from a single, identifiable source such as pipes, factories, or ships. The surface water pollution has a number of sources. This condition is known as methemoglobinemia bluebaby syndrome.
Point sources of pollution are those where the polluting substances are emitted from an identified source directly. Kill off corals and other temperature sensitive sedentary species. These are directly pointed towards the water bodies from the source of origin of pollution and are thus easy to regulate. Cooling water from power plants and industrial sites. Oilinwater not only at surface but throughout the body of water as well. Dispersed sources are broad, unconfined areas from which pollutants enter a body of water. Direct sources include effluent outfalls from factories, refineries, waste treatment plants etc that emit fluids of varying quality directly into urban water supplies. Water pollution types, effects, sources and control of. But due to politics, illegal activity, and accidents. Types of water pollution, causes, sources and effects. Discuss who is responsible for preventing and cleaning up water pollution.
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