Conventional pollutants may cause a myriad of water pollution problems. If you continue browsing the site, you agree to the use of cookies on this website. Free download water pollution powerpoint presentation slides. Hg exceeds 110mgl, hg is converted into methyl hg, which when injested cause nerve and. As a result, concentrations of nps pollutants typically vary significantly from well to well, making it difficult to delineate the contamination plumes. Unburnt hydrocarbons present in automobile exhaust can be converted into co2 and h2o by. Jan, 2015 a powerpoint presentation video made on water pollution topic for students guidance and knowledge. Unenvironment dhi centre on water and environment, climate technology centre and network ctcn and the.
Members of the ppt are responsible for developing the plan and assisting in its implementation, compliance, and revision. One of the most destructive types is petroleum pollution. Jan 20, 2015 water pollution is the second most imperative environmental concern along with air pollution. Excess suspended solids block out energy from the sun and thus affect the carbon dioxideoxygen conversion process, which is vital to the maintenance of the biological food chain. The intensive use of pesticides in present crop protection methods has also produced some undesirable sideeffects. Pollution can either be found at the level of superficial water or subterranean water. Sources of water pollution there are various classifications of water pollution. Introduction comprising over 70% of the earths surface, water is undoubtedly the most precious natural resource that exists on our planet. Read this article to learn about the measurement of water pollution in sewage waste water with special reference to organic matter and pathogenic organisms. Owa department of integrated science, federal college of education, okene, kogi state, nigeria phone. Water pollution from agriculture food and agriculture organization. Part three prevention and control of water pollution from. Water pollution control act, 1956 i federal financial support for construction of waste treatment plants focused on a control strategy based on subsidizing construction of waste treatment plants as a particular control activity. Air and water pollution list of high impact articles ppts journals.
Ppt version pdf version werner boecker syringomatous tumour of the nipple and lowgrade. Ewg tap water database warminster municipal authority. Effects of water pollution water pollution has a duel effect on nature. During flame combustion or catalytic process, these organic pollutants are converted into water vapor and relatively less harmful products, such as co2. Water pollution lecture powerpoint the first part of this lecture delves into the importance of water, its role in climate, and its distribution around earth. The preservation of our water environment, which is embedded in sustainable development, must be well. Forests protect water quality by slowing runoff, stabilizing soils and filtering pollutants, see figure 1. Water pollution causes approximately 14,000 deaths per day, mostly due to.
Insecticides, pesticides and ripening chemicals that are used on plants run into the ground water system or nearby streams. The designations employed and the presentation of the material in this publication do not imply the expression. 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. Water pollution is caused by foreign objects and chemicals entering the aquatic ecosystem or when natural chemicals build up in excess amounts.
Pdf on jan 31, 2017, anil k dwivedi and others published researches in. Water pollution prevention project toolkit this toolkit explores the water pollution potential on. California set a public health goal for uranium of 0. We classify this information by energy conversion, transport, and storage technologies available now, and those likely to be available in the future. Pollution research workers including chemists, toxicologists, environmentalists, conservationists, botanists, marine scientists, ecologists, biologists. This website and its content is subject to our terms and conditions. Water pollution water pollution is the contamination of water bodies e. 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 4 learning objectives pdh introduction to water pollution dr. Ppt water pollution ppt powerpoint presentation free to. Ppt air and water pollution powerpoint presentation free. Water pollution is the second most imperative environmental concern along with air pollution. Dec 07, 2016 operation water pollution focuses on how water pollution occurs and how it is cleaned up and has been designed for a science and social studies collaboration. Water quality monitoring and assessment ocw ihe delft.
Air, water and land pollution presentation teaching. Convert pdf to powerpoint convert your pdfs to powerpoint. Fresh water pollution may be classified into two types. Human activities as a source of pollutants and water quality. A role for lipids and statins in breast cancer risk and prevention. It has negative effects on the living and also on the environment. Water pollution from agriculture has direct negative impacts on human health. Pdf environmental pollution causes and consequences. Polluted water is of great concern to the aquatic organism, plants, humans, and climate and indeed alters the ecosystem.
Indoor air can be 20 to 70 times worse than outdoor air. Key steps in tacking pfas water contamination, veneto region. Municipalities would receive grant of upto 55% for. 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. Masood h choudhury, verizon environmental manager and includes all verizon staff authorized and trained in the proper discharge of water from underground structures. Types and sources of water pollution there are several major types of water pollution. Nov 03, 2012 presentation on water pollution by mian raham ghaffar b,es batch 1st slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. A collection of interesting recent water pollution news stories from the new york times. The effects of pollution on human beings and aquatic communities are many and varied. Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds. All requests for translation and adaptation rights, and for resale and other commercial use rights should be made via.
More than 70% of the fresh water in liquid form of our country is converted into being. For the aral sea see powerpoint, the surface water area has, due to. Ewg translated all uranium results to pcil using a conversion factor developed by the epa. May 25, 2016 water pollution can me measure through the various broad categories. Sudhasaravanan phd scholar, department of zoology 2 water covers over 70 of the earths surface and is a very important resource for people and the environment. Ammonia is highly toxic to fish and can convert into nitrates. Ppt version pdf version werner boecker syringomatous tumour of the nipple and low grade.
Environmental pollution, types, causes, impact and management. It includes the measurement of water temperature, turbidity, total suspended particle in the water sample. Industrial waste gets dumped into these water bodies. A powerpoint presentation video made on water pollution topic for students guidance and knowledge. Environment is polluted often by natural phenomenon, such as earthquakes, floods, drought, cyclones, etc. To access more information on these and other educational activities, as well as additional fact sheets, visit the safe drinking water foundation website at. 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.
Pdf on mar 27, 2019, venkatesha n j and others published moduleiv. Tes global ltd is registered in england company no 02017289 with its registered office. The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes, thermal pollution, industrial wastes, nutrient enrichment, acid rain. Optical character recognition converts nonselectable text from scanned documents into editable office files. As with surface water pollution, there is a large natural variability in the generation and fate of groundwater nps pollution. 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. Water pollution affects plants and organisms living in these bodies of water. What causes water pollution what causes water pollution. This causes a chemical imbalance in the water leading to death of the aquatic beings. Mar 30, 2012 a presentation on the three types of pollution ideal for b1 aqa.
Conversion of forest land to other uses interrupts these natural processes and increases the potential for water quality impairment. The accidental creation of the salton sea in southern california is used as an example of how water is needed, how it has been manipulated, and some of the unforseen consequences of how. In china, the water you drink is as dangerous as the air you breathe by deng tingting, the guardian, 2 june 2017. The quality of water can be dramatically affected by pollution. Drinking water with this much uranium would cause more than 4.
Pollution prevention plan ppp california state water. These include, inter alia, pollution of ground water. The organic matter present in the sewage is regarded as biologically active, if it can be oxidized by the bacteria. Pollution is of different kinds depending on the nature of pollutants and pollutions. Air, water and land pollution presentation tes resources. Point source when pollutants enter the water course at specific sites, such as a discharge pipe. The presentation tends therefore to follow the problem ap proach, as do most. 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 affects drinking water, rivers, lakes and oceans all over the world.
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