Abdul azeemtextile processingntu water pollution introduction what is water pollution. Water pollution is the contamination of water bodies, usually as a result of human activities. Some of the 10 ways to reduce water pollution are discussed below. If there is a criticism of what is otherwise a comprehensive study, it lies. Therefore, pollution of groundwater is a matter of serious concern. Water covers 70 percent of earths surface and is a vital resource for people, organisms and the environment. Drinking contaminated water is hazardous to human and animal health. Water pollution is any change in the physical, chemical or biological properties of water that will have a detrimental consequence of any living organism. The role of agriculture in water pollution has been recognized in the united states. Water resources and environmental pollution unit, department. A textbook, primarily written for nonengineering students at duke university, usa, on air and water pollution and its control, and on noise.
Environmental pollution usually occurs as a result of energy conversions and the use of resources which leaves their byproducts behind in water, soil or air. Any change or modification in the physical, chemical and biological properties of water that will have a detrimental consequence on living things is water pollution. Principles and problems of environmental pollution of. The most of our villages and many townships, ground water is the only source of drinking water. Students can readily identify items visible to the naked eye, such as cigarette butts, plastic bottles, and bags. 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.
Discharges of untreated wastewater from municipalities. Point sources some point sources of water pollution include factories sewage system. Effective management must ensure that the best use is made of available supplies, including protection from pollution, and should. This animation focuses on water pollution and its origins for both freshwater and salt water. Join our community just now to flow with the file water pollution and make our shared file collection even more complete and exciting. 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. Introduction comprising over 70% of the earths surface, water is undoubtedly the most precious natural resource that exists on our planet. Download pollution control in urban drainage system interception. We can atleast follow these 10 ways to prevent water pollution.
Causes, effects and control is a book providing comprehensive information on the fundamentals and latest developments in the field of water pollution. Economic instruments, typically in the form of wastewater discharge fees and fines, have been introduced to a lesser. Pollutants tend to lie suspended in the water or deposited on the bed. Pollution is of different kinds depending on the nature of pollutants and. Pollution of our water bodies poses a great threat to humans and the aquatic ecosystem while marked population increase catalyzes climatic changes 3. Waste products enter the environment in various forms and threaten the quality of the air, land, and water. Chapter 2 water quality this chapter was prepared by m. When toxic substances dissolve in bodies of water, such as oceans, rivers and lakes, the water becomes polluted. Water pollution control 25 years of progress and challenges for the new millennium in 1972, congress resp onded to public outrage over the deplorable condition of the nations waters by enacting the clean water act. Types and sources of water pollution there are several major types of water pollution. He graduated with an honours degree in chemical engineering from imperial college, london and then studied for a masters and a phd in biochemical engineering at the university of birmingham. Read online pollution control in urban drainage system interception.
Guidelines to control water pollution from agriculture in china fao. Water pollution fact sheet dont spit in the well you may need to drink from it. A powerpoint presentation video made on water pollution topic for students guidance and knowledge. Sources of water pollution there are various classifications of water pollution.
The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes. Water pollution in rivers contd graphical determination of bod constants laboratory measurement of bod do sag curve effects of nutrients on water quality in rivers. Estimates indicate that the proportion of the global burden. It has negative effects on the living and also on the environment. When it rains, the ground is not able to soak up all the water. Chapter 10 framework for water pollution control 10. Water is a unique substance, because it can naturally renew and cleanse itself, by allowing pollutants to settle out through the process of sedimentation or break down, or by diluting the pollutants to a point where they are not in harmful concentrations. Pollution is of different kinds depending on the nature of pollutants and pollutions. Rivers, lakes and oceans are able to rid themselves of contamination by natural cleansing processes, but only if the pollutants dont exceed specific. Both for the purpose of this research, emphasis are on water pollution and control. The standard participatory rural appraisal pra methods followed to analyze data, collected from the local people concerning their perception.
Environmental pollution and control pdf free download. Water pollution is the second most imperative environmental concern along with air pollution. Pdf causes, effects and solution of water polution. The presence of a substance in the environment that because of its chemical composition or quantity prevents the functioning of natural processes and. Water pollution and its impact on the human health water quality data have analyzed by microsoft excel software. Water pollution occurs when there is any physical, chemical or biological change to the quality of water bodiesrivers, lakes, oceans and ground waterthat has harmful effects on any living thing that uses or lives in it. Water pollution control a guide to the use of water.
Technology has begun to solve some pollution problems, and public awareness of the extent of pollution will eventually make government bodies to be more proactive rather than. Environmental pollution, types, causes, impact and. Pollution control an overview sciencedirect topics. Pollution can either be found at the level of superficial water or subterranean water. Some questionnaires designed and used to interview the people. The book is divided into 28 chapters covering almost all the aspect of water pollution including water resources and general properties of water. For control of water pollution from agriculture, and for use of polluted water in. This type of debris is certainly a waterpollution problem. Water pollution is defined as the addition of some substance organic, inorganic, biological, and radiological or factor e. High quality fresh water is limited in quantity and there is a need for comprehensive water management involving representatives of all those who use water. Egilabor, 1998 apparently, environmental education is of immense importance. Water pollution causes approximately 14,000 deaths per day, mostly due to. At the national level, however, the government welcomed pollution as evidence of progress and prosperity, and consequently very few of the environmental pollution control measures contained in the factories act 1911 and the mining law 1905 were.
Although natural phenomena not shown here cause water pollution volcanism, mineral deposits, it is mostly a result of human activities. 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. Chapter 6 environmental pollution control measures range of regulations and restrictions. Water pollution and treatment 193 in legal sense,strictly speaking,pollution of water means a departure from normal state rather than a pure water,for ideally unpolluted water. Pollution of air and water 241 boojho remembers seeing a thick foglike layer in the atmosphere, especially during winters. The effects of pollution on human beings and aquatic communities are many and varied. Pdf on jan 1, 2008, nsikak benson and others published water pollution find, read and cite all the research you. Effects of water pollution water pollution has a duel effect on nature. Water pollution is the contamination of water bodies like oceans, seas, lakes, rivers, aquifers, and groundwater usually caused due to human activities. Pollution of water of natural origin can be caused by decomposition of organic debris, saltwater invading coastal aquifers, water blackening due to landslides, earthquakes, dust erupted from volcanoes. For instance, various human activities as well as the release of greenhouse gases by industries greatly contributes to global warming, planet temperature enhancement, and lowering of.
Sources of water pollution water pollution in nigeria according to gbamanija 1998 arises from various activities, among which are. Water pollution prevention project toolkit this toolkit explores the water pollution potential on. One of the strict and best way to prevent water pollution is to implement. Pollution is a negativeundesirable change in the environment, usually the addition of something hazardous or detrimental. Any particular use will have certain requirements for. Usage of water should be minimized by changing the techniques involved. Water covers about 70% of the earths surface whereas 0. Prevention of water pollution, how to prevent control. When we turn on the tap, we expect our water to be clean and safe. Due to this water pollution has a negative impact on human and. Nesaratnam is a senior lecturer in environmental engineering at the open university, where he is involved in the distanceteaching of water and wastewater treatment. Owa department of integrated science, federal college of education, okene, kogi state, nigeria phone. Pollution in chambal river at kota was studied by olaniya et al. In fact there could be a problem of water pollution only if the pollution loads exceed the natural regenerative capacity of a water resource.
Presentation on water pollution by mian raham ghaffar b,es batch 1st 2. Water supply and pollution control 8th edition pdf download. One of the most destructive types is petroleum pollution. When asked what water pollution is, most students can readily explain pollution as trash thrown away by humans that enters our water. It is highly important to take steps forward to prevent water pollution. Murty and surender kumar 19 certain levels without a. 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. Olaniran 1995 defined water pollution to be the presence of excessive amounts of a hazard pollutants in water in such a way that it is no long. Human contribution to water pollution is enormous by way of defecating. Water pollution is an environmental problem that is of major concern to us in nigeria and the world at large.
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