Water pollution occurs when a body of water becomes contaminated. Clean water act became the acts common name with amendments in 1972. 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. Environment, essays and paragraphs on february 25, 2017 by teamwork. Water pollution definition of water pollution by the. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater. Pollution, a word that concerns most people when they hear about it but is something which is a part of everyday life. The presence of a substance in the environment that because of its chemical composition or quantity prevents the functioning of natural processes and. The presence of a substance in the environment that because of its chemical composition or quantity prevents the. A clear, colorless, odorless, and tasteless liquid, h2o, essential for most plant and animal life and the most widely used of all solvents.
It has negative effects on the living and also on the environment. 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. Pdf man is causing all round damage to atmosphere, water, land, to the various elements of environment and to the ecosystem itself. The contamination could be caused by physical debris such as plastic water bottles or rubber tires, or it could be chemical such as the runoff that finds its way into waterways from factories, farms, cities, cars, sewage treatment facilities, and air pollution. Examples of pointsource pollution include a leaking pipe or a holding tank with a hole in it, polluted water leaving a factory, or garbage being dumped into a river. Pdf causes, effects and solution of water polution. Pollution control means to control the emissions and effluents into the air, water and land or soil. The summaries were developed for nontechnical audiences to explain clearly what the category is, where the pollution comes from, how it can harm the environment or human health. As may be evident, untreated sewage is the biggest source of such form of pollution in india. The basis of the cwa was enacted in 1948 and was called the federal water pollution control act, but the act was significantly reorganized and expanded in 1972. Water pollution and its impact on the human health water quality data have analyzed by microsoft excel software. Scientists are constantly studying how the different types of pollution affect the environment and how it can be controlled. 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.
The effects of pollution on human beings and aquatic communities are many and varied. Causes, effects, and solutions for today and tomorrow since people living in the twentyfirst century have the likelihood of experiencing the effects of harmful pollution, looking at the causes of this water and air pollution is definitely vital in halting its devastating consequences. Water pollution is the contamination of water bodies e. Water pollution control a guide to the use of water. Pollution occurs when something that doesnt naturally belong in an ecosystem is forcibly introduced into it. The most of our villages and many townships, ground water is the only source of drinking water. This means that one or more substances have built up in water to the extent of causing problems to people, animals and. Effects of water pollution water pollution has a duel effect on nature. Pollution, addition of any substance or form of energy to the environment at a rate faster than it can be dispersed or stored in a harmless form. These sources of pollution are easy to identify because the cause of the pollution can be observed. Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds. It affects plants and organisms living in the water.
Water pollution is the contamination of water bodies, usually as a result of human activities. Let us educate ourselves about water and water pollution. Pollution defined the term pollution describes the occurrence and inputs of wastes and the impact of these wastes on the environment. Source of pollution an overview sciencedirect topics. Water h 2o is an essential chemical for life on earth introduction the quality of water can be dramatically affected by pollution. Abdul azeemtextile processingntu water pollution introduction what is water pollution. Water pollution is the contamination of water in water bodies such as rivers, oceans, lakes and swamps. It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts for the deaths of more than 14,000 people daily. The foreign substance introduced into the environment which causes the pollution is called as a pollutant. When something is added to the environment that makes it unclean or unsafe it is called pollution. Water covers about 70% of the earths surface whereas 0. Water pollution causes approximately 14,000 deaths per day, mostly due to.
Consequences of air pollution co 2 is a good transmitter of sunlight, but it also partially restricts infrared radiation going back from the earth into space, which produces the socalled greenhouse effect that prevents a drastic. Environmental pollution, types, causes, impact and. Water pollution affects plants and organisms living in these bodies of water. The trend has been amplified by the expansion of agricultural land, with irrigation playing a strategic role in improving. Much has been done to reduce and control pollution, but there is still more that needs to be done. Water pollution is one of the biggest issues facing india right now. Summaries of water pollution reporting categories this document includes summaries of 34 general reporting categories used for epa attains data on polluted waters. Polythene bag and plastic waste is a major source of pollution. And yet if you ever see a river or lake around your city, it would be evident to you that we are facing a very serious problem of water pollution. Water pollution water pollution is the contamination of water bodies e. Contamination of rivers, lakes and seas by fertilizers, pesticides, sewage, and oil or toxic waste from ships and factories. Pollution is a negativeundesirable change in the environment, usually the addition of something hazardous or detrimental. Additionally, water pollution may consist of chemicals introduced into the water bodies as a result of various human activities. Therefore, pollution of groundwater is a matter of serious concern.
It occurs when pollutants reach these bodies of water, without treatment. We already know that water is the most important resource on the planet. What is water pollution environmental pollution centers. 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. Under the cwa, epa has implemented pollution control programs such as setting wastewater standards for industry. Without pollution control, the waster products from consumptions, heating, agriculture, mining, manufacturing, transportation and other human activities, whether they accumulate or disperse, will. Water pollution is the pollution of bodies of water, such as lakes, rivers, the oceans, as well as groundwater. 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. Water pollution occurs any time that contaminants are discharged. The major causes of water pollution include sewage and other oxygendemanding wastes, urbanization, agrochemical wastes.
Water pollution occur when pollutants particles, chemicals or substances that make water contaminated are discharged directly or indirectly into water bodies without enough treatment to get rid of harmful compounds. Water pollution results when contaminants are introduced into the natural environment. Water pollution is a major global problem that requires ongoing evaluation and revision of water resource policy at all levels from international down to individual aquifers and wells. Water pollution is caused by foreign objects and chemicals entering the aquatic ecosystem or. Waste from homes, factories and other buildings get into the water bodies water pollution is a problem for the species and ecosystems there. The major kinds of pollution are usually classified by environment and include air, water, and land pollution. Water pollution is defined as the presence in groundwater of toxic chemicals and biological agents that exceed what is naturally found in the water and may pose a threat to human health andor the environment. This pollution causes a rapid acidification of our oceans, and threatens marine life and corals. Rosenfeld, in handbook of pollution prevention and cleaner production, 2010. Water pollution in rivers contd graphical determination of bod constants laboratory measurement of bod do sag. Thanks largely to decades of regulation and legal action against big polluters, the main cause of u.
This chapter introduces the major sources of pollution, the chemicals of concern largely from an air pollution standpoint, and methods to estimate some of the releases through the application of emission factors. 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. Contaminated water is the main source of infectious diseases e. Pollution in chambal river at kota was studied by olaniya et al. Water pollution definition at, a free online dictionary with pronunciation, synonyms and translation. Pdf environmental pollution causes and consequences.