The natural resources of the earth including air, water, land, flora and fauna and especially. The ecosystem of rivers, streams and lakes is also getting deteriorated due to the contamination of water, through various sources. Water pollution will in no small measure affect or alter the basic water quality parameters comprising the micropollutants, physiochemical, and biological parameters. Hazardous material discharged from the industries is responsible for surface water and ground water contamination. Environmental pollution can be defined as a change that is not wished or desired in the chemical, physical, or biological characteristics of any component of the environment air, water, and soil which can cause harmful effects on various or many forms of life. Water pollution is one of the inevitable humaninduced climate change issues that called for urgent remedial measures. Water pollution results when contaminants are introduced into the natural environment. Causes and impacts water pollution water pollution is the introduction into fresh or ocean waters of chemical, physical, or biological material that degrades the quality of the water and affects the organisms living in.
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 pollution of the turag river found in two points with extreme pollution especially from the buriganga third bridge to the tongi bridge. It affects their bodies, skin, lungs, brain, liver and kidneys, caused cancers, birth defects and other diseases. Industries discharge their liquid waste products into rivers. Pdf on jan 1, 2016, asha gupta and others published water pollutionsources,effects and control find, read and cite all. Thereby the abuse of lakes, ponds, oceans, rivers, reservoirs, etc is water pollution. Pdf causes, effects and solution of water polution. Environment, essays and paragraphs on february 25, 2017 by teamwork. 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.
Lead in large amount can cause dyslexia, cadmium poisoning causes itai itai disease, etc. Sources of these pollution causing substances are divided into two broad categories. Most of the air pollution that affects water comes from coalfired power plants and the tailpipes of our vehicles. In simple words, the contamination of water bodies means water pollution. If a dam leaks or bursts, water pollution is guaranteed perhaps the worst offense in the category of mining vs. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. This condition also leads to the outbreak of numerous diseases, majority of them being lethal and contagious.
Water pollution is the contamination of water bodies, usually as a result of human activities. Our agriculture practice that uses chemical fertilizers and pesticides also contribute to river pollution as rainwater drains these chemicals into the rivers. An industrial operation may accidentally discharge untreated pollutants into a river, or a flood at a wastewater treatment plant may cause sewage to flow into a waterway. Causes and effects of water pollution go green academy. Department of integrated science, federal college of education, okene. The answer to solving pollution is to make changes in our daily habits and pay more attention to the types of products we consume. Different industrial effluent that is drained in to river without treatment is the major cause of water pollution 9. This means that one or more substances have built up in water to the extent of causing problems to people, animals and. Water pollution is degraded water, toxic to humans or the environment 4. These residues may be a mixture of a myriad of chemically toxic substances. Pollution of water occurs when substances that will modify the water in a negative fashion are discharged in it. In fact, the effects of water pollution are said to be the leading cause of death for humans across the globe, moreover, water pollution affects our oceans, lakes, rivers, and drinking water, making it a widespread and global concern scipeeps, 2009. Water pollution affects marine ecosystems, wildlife health, and human wellbeing.
An excessive amount of mercury in water can cause minamata disease in humans and dropsy in fishes. Causes and sources of pollution types of pollution a number of substances including nutrients, bacteria, oxygen demanding wastes, metals, and toxic substances, cause water pollution. Water pollution is any change in the physical, chemical or biological properties of water that will have a detrimental consequence of any living organism. Pollutants like mercury, sulfur dioxide, nitric oxides, and ammonia deposit out of the air and then cause problems like mercury contamination in fish and acidification of lakes. 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. Pollution of water occurs when substances that will modify the water in negative. Water pollution is when waste, chemicals, or other particles cause a body of water i.
The present study is tried to discuss basically what water pollution is and focused on different causes of water pollution, effects of this pollution on. Water pollution, the release of substances such as chemicals or microorganisms and energy in the form of radioactivity or heat into surface and subsurface waters to the point where they interfere with beneficial use of the water or with the natural functioning of ecosystems. Water pollution causes approximately 14,000 deaths per day, mostly due to. Sources and causes of water pollution that affect our. Discuss the displayed pictures of water, air, and land pollution.
A study on the causes of water pollution and its effects. Have students identify what is wrong in each of the pictures displayed. Causes and impacts of shankila river water pollution in. The effects can be catastrophic, depending on the kind of chemicals, concentrations of the pollutants and where there are polluted. Due to the uncertainty about conditions, causes, and sources, it is difficult to generalize about this categorys potential effects on human health and beneficial uses. This process ranges from simple addition of dissolved or suspended solids to discharge of. These substances, known as pollutants, contaminate the water and are sometimes harmful to people and the environment. Domestic waste dumping of household waste into water. A longer exposure to radioactive radiations can damage the dna cells that results in cancer, genetic defects for the generations to come and even death.
Agricultural sources, thermal pollution discharge of hot water by thermal power plants cause deficiency of dissolved oxygen in water and underground water pollution. Accordingly, causes and impact of water pollution and its adverse effects on health of human beings will be looked into. What are the effects of water pollution eschooltoday. River pollution comes from a variety of different sources, including agricultural operations, industrial discharge, wastewater treatment plants and storm water runoff, that carry pollutants into waterways. Primary causes of water pollution water pollution is the contamination of water bodies including rivers, oceans, lakes, streams, aquifers, and groundwater. 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. Effects of water pollution water pollution has a duel effect on nature. Water covers 70% of the earths surface and makes up over 60% of the human body. The floating dead fishes in our river, any coloured water in the river, or a bad smell from the river point towards river pollution. Water pollution is the contamination of water bodies e.
These two pollution points of the river homing in on the sources and causes of pollution, its impacts on the surrounding. In our everyday life we can easily see symptoms of river pollution. Pointsource pollution is the easiest type of river pollution to correct, as it can be traced to a single source. It occurs when foreign harmful materials like chemicals, waste matter, or contaminated substances are directly or indirectly discharged into water bodies. For example, releasing inadequately treated wastewater into natural water bodies. Pdf on jan 1, 2016, asha gupta and others published water pollution sources,effects and control find, read and cite all the research you need on researchgate. Abdul azeemtextile processingntu water pollution introduction what is water pollution. The causes of water pollution are directly related to the type of water pollution in question. Sources and causes of water pollution that affect our environment. Pollution is of different kinds depending on the nature of pollutants and. There are many types and sources of water pollution. Materials and methods description of the study area the study was carried out in shankila river in addis ababa ethiopia figure 1. Speaking about water, most of the industries and factories have leftover chemical effluents. Water pollution can disrupt and negatively impact natures water cycle as well.
They release these residual products into primary water sources like rivers streams, lakes, fresh water tanks etc. Water pollution is the contamination of water bodies like oceans, seas, lakes, rivers, aquifers, and groundwater usually caused due to human activities. Sources are classified as point sources if the pollution comes from a single, identifiable source. Water pollution is one of the biggest issues facing india right now. You will notice in the previous pages that water pollution is very harmful to humans, animals and water life. Effects of nuclear pollution the effects vary from organism to organism and from level of radioactivity of nuclear isotopes. The radiations destroy the cells in human body and causes cancer. 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. Kumbh mela is a one of the most reason of pollution of ganga river in india. If you see or feel any of these things in a river be sure that the river is a victim of pollution. Irrespective of which part of the world we are talking about, each of these three types have different causes, and therefore, they have to be discussed individually. Hence, this study was designed to assess the pollution profile, causes and its effect on the aquatic environment. There are several sources of water pollution, which work together to reduce overall river water quality. Introduction addis ababa is located within the akaki river basin, which covers an area of 11 454 km 2 ebba 2006.
Causes and impact of water pollution and its adverse effects on health 33 chapter2 causes and impact of water pollution and its adverse effects on health environment is a precious gift of god to all creatures whether living or nonliving. Natural causes of water pollution sometimes water pollution can occur through. Probable and incessant changes in both rainfall and air. The present study investigates the level of awareness about water pollution in delhi, its causes, its health effects and. Causes of pollution in ganga it provides water to drinking purpose and irrigation in agriculture about 40% of indias population in 11 states. Environmental pollution, types, causes, impact and. It has negative effects on the living and also on the environment. As may be evident, untreated sewage is the biggest source of such form of pollution. 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. The effects of pollution on human beings and aquatic communities are many and varied. Water pollution is the contamination of water in water bodies such as rivers, oceans, lakes and swamps.
Data from idem and project monitoring identified li. Humans and all living species in the world are facing worst results of polluted water. It occurs when harmful chemicals or microorganisms or sometimes simply garbage or too much sediment contaminates a stream, river, lake, wetland, groundwater aquifer, ocean, in short, any body of water. Pollution and conservation of ganga river in modern india.
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