Water pollution types, effects, sources and control of. Pdf sources and causes of water pollution in bangladesh. 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. Point source pollution enters a water body at a specific site and is generally readily identified. It is one of the most serious ecological disasters we are facing today. Nitrogen and phosphorus pollution comes from inefficient sewage treatment systems and from some agricultural practices. Each of these manufacturing processes produces a product, along. During the last century a huge amount of industrial wastewater was discharged into rivers, lakes and coastal areas.
Sources of water pollution are either point sources or nonpoint sources. Atmospheric pollution comes from small particles that. These contaminants are generally introduced by human activities like improper sewage treatment and oil spills. Water pollution facts, types, causes and effects of water. With water bodies being scattered throughout the globe, the ways in which we pollute water is also diverse. Water pollution occurs when harmful substancesoften chemicals or microorganismscontaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and. Various types of pollution air, water, soil, noise etc. Both types of bacteria require oxygen to perform these reactions. If they end up in water bodies, they encourage algae and weed growth in the water.
Apart from endangering life groundwater pollution lead to waterborne diseases. It is the contaminants of air by the discharge of detrimental substances. Ambient noise is the noise from all sources combined factory noise, traffic noise, birdsong, running water, etc. Water pollution is said to occur when toxic pollutants and particulate matter are introduced into water bodies such as lakes, rivers and seas. Among the other types of pollution, water pollution has a more disastrous consequences on humans. The types of industrial waste water there are many types of industrial wastewater based on the different industries and the. Soluble organics, as represented by high biochemical oxygen demand bod wastes, cause depletion of oxygen in the surface water. The more prominent the tone, and the more abrupt the change in sound level, the more noticeable the noise. It is made up of all the things that you can imagine going down the toilets, bath and sink drains. 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. Daniel vallero, in fundamentals of air pollution fifth edition, 2014. Algae also help recycle nitrogen by converting ammonia into plant material.
Although local differences in air temperature and the earths rotation normally drive winds that transport and dilute air pol. The oil pollution changes the ratio between species and reduces their variety. Some water sources are more reliable, convenient, or provide water that tastes better. The effects of pollution are undoubtedly many and extensive. Sources of pollution may be point sources, which are easily identified, or nonpoint sources, where the pollution comes from diffuse sources that are not easy to pinpoint. From the name itself, we can understand that water pollution is a type of pollution which involves contamination of many water bodies. Both for the purpose of this research, emphasis are on. Chemicals in air dissolve in rain water, fertilizers, pesticides and herbicides leached from land pollute water. Different types of pollution are categorized based on the part of the environment which they affect or result which the particular pollution causes. Abstract water is life for all but this water is polluting day by day in severe condition.
This type of pollution results from runoff from farmland, and consists of pesticides, fertilizer, and eroded soil. Direct sources include effluent outfalls from factories, refineries, waste treatment plants etc that emit. Sources of water pollution are divided into two main categories. The inorganic water pollution is associated with the entering of mineral substances, chemical compounds, and toxic waste. Nonpoint sources the term nonpoint source encompasses a large range of sources such as. Nutrients pollution some wastewater, fertilizers and sewage contain high levels of nutrients. Because we have given more than 30 ppt in one place. Industrial pollution an overview sciencedirect topics. Blackwater this is wastewater that originates from toilet fixtures, dishwashers, and food preparation sinks. It is usually safe to drink, but rainwater has become increasingly contaminated due to air pollution in various areas of the world. Whereas, if there are multiple sources, surrounding an area from.
Extreme levels of pollution are causing scores of harm to human health, animal health, tropical rainforests etc. Water pollution types and effects environment mocomi kids. Storm water runoff can pollute rivers, streams and lakes, and much of the contamination comes from agriculture and industry. As an example, codes of good agricultural practice that address the causes of water pollution from agriculture, such as type, amount and time of. The surface water pollution has a number of sources. Sources of pollution include untreated sewage, chemical discharges. Though water pollution may occur from a variety of sources, there are two terms used to describe how the water became polluted. Changes in water tem perature adversely affect wa ter quality and aquatic. Both for the purpose of this research, emphasis are on water pollution and control. Categorized study of pollution helps to understand the basics in more detail and produce protocols for the specific types. Water pollution is the process which happens when pollutants contaminate water e. Sources and causes of water pollution in bangladesh. Water bodies include for example lakes, rivers, oceans, aquifers and groundwater.
There are many causes for water pollution but two general categories exist. Types of pollution effects of various types of pollution. For information, many countries in the world have undergone this calamity endangering the lives of people where such situations occur. Water pollution is not only confined to surface water but also spread to groundwater, sea, and ocean. A case study of delhi, international journal of current advanced research, 07 2, pp. This report is one of a series of reports from that. Air prevention and control of pollution act 1981 ppt. Types of pollution ppt powerpoint presentation pdf.
Water contamination comes from three primary sources. Point source discharge of pollutants from single point factories, industrial outfall, power plants nonpoint source sources of pollution that are scattereddiffuse e. From the name itself, we can understand that water pollution is a type of pollution which involves contamination of. Linda schweitzer, james noblet, in green chemistry, 2018. Source of pollution an overview sciencedirect topics. Other organic substances are faeces, waste from the leather, paper, dairy, cellulose industries, and others. However, even natural processes such as eutrophication can cause water pollution other significant causes of water pollution include. The sources of pollution in general are divided into point sources and nonpoint sources. Air pollution is the presence of one or more disadvantageous content in such quantity and for such duration, as it is catastrophic, or tend to be catastrophic, to human health and welfare, animal or plant life. Read this article to learn about the types, sources, effects and control of water pollution. Using the picture, list sources of pollution such as sewage pollution that can pollute surface water or. Water pollution results when contaminants are introduced into the natural environment.
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. A great deal of industrial pollution comes from manufacturing products from raw materials1 iron and steel from ore, 2 lumber from trees, 3 gasoline and other fuels from crude oil, and 4 stone from quarries. All kinds of pollution including air, water, soil pollution, etc. In simple terms, it means that, if the water is polluted from a single point, such as an oil spill, then it is termed as a pointsource based water pollution. These are directly pointed towards the water bodies from the source of origin of pollution and are thus easy to regulate. Direct sources include effluent outfalls from factories, refineries, waste treatment plants etc that emit fluids of varying quality directly into urban water supplies. Fresh water pollution may be classified into two types. Other factors related to the effect of industrial wastewater glossary bibliography biographical sketch summary industrial wastewater is one of the important pollution sources in the pollution of the water environment. Water sources and intakes linking technology choice with operation and maintenance 20.
Nov 04, 20 chemicals in air dissolve in rain water, fertilizers, pesticides and herbicides leached from land pollute water. When water is polluted from point sources, this is pollution from a. Types of wastewater wastewater comes in three main types namely blackwater, graywater and yellow water. The water framework directive sources of pollution overview. For instance, in 1932, a grave case of water pollution incapacitated the inhabitants of an entire city in japan with neurological diseases and mental illness for many decades. One of the most destructive types is petroleum pollution. Water pollution is the contamination of all the abovementioned sources of water. Water pollution is the contamination of water bodies, usually as a result of human activities. Water sources and intakes linking technology choice with operation and maintenance 20 3. Nonpoint sources are those that are distributed over a wide. Noise features that make us listen and take notice are tones or changes in sound level. Types, effects and sources of water pollution water pollution is any chemical, biological or physical change in water quality that has a harmful effect on living organisms or makes water unsuitable for desired uses. The major historical air pollution episodes all occurred during stagnant inversions in regions that had significant sources of combustionrelated air pollutants see chapter 1. A technical overview article pdf available december 2017 with 18,546 reads how we measure reads.
Types of water pollution there are many types of water pollution because water comes from many sources. Each of these types has its own distinctive causes and consequences. Air pollution can come from a variety of sources including natural sources and manufactured sources. Types of water pollution the different ways we are killing. 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. I industrial wastewatertypes, amounts and effects hanchang shi environment. There are many types and sources of water pollution. Jul 26, 2018 types of marine pollution eutrophication when there is an excess of chemical nutrients mainly nitrates and phosphates in the water, it leads to eutrophication or nutrient pollution. Nov 09, 2017 types of pollution ppt powerpoint presentation pdf.
Well, important types of pollution are explained in the below diagram. Natural sources include forest fires and volcanoes, while cars, trucks, trains, planes, boats, factories, and power plants contribute to air pollution through manufactured sources. 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. Pollution in the ocean 3 the conference brought together leading marine scientists and engineers, policymakers, filmmakers, exhibit designers, informal science educators, journalists and communicators to develop a portfolio of models for communicating major ocean issues to the public.
Sources and effects of groundwater pollution earth eclipse. Point sources are localized identifiable sources of contaminants, such as power plants, refineries, mines, factories, wastewater treatment plants, etc. Pollution is of different kinds depending on the nature of pollutants and pollutions. Project oceanography neighborhood water quality fall 2000 neighborhood water quality lesson 2. These sources are related to many diffuse sources and are thus difficult to.
Nutrient pollution and the subsequent algae blooms are to blame for toledos drinking water shortage in the summer of 2014. Humans and all living species in the world are facing worst results of polluted water. Types and sources of water pollution there are several major types of water pollution. Water pollution is the contamination of water bodies e.
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 addition, human waste also leads to groundwater pollution. Petroleum products, such as oil and gasoline, enter the water from ships and marine terminals, offshore oil rigs, runoff from. Types of water pollution, causes, sources and effects. Nonpoint source nps pollution has been emerged as a major cause for reduced water quality of a lake due to increased human interference and disturbances in the natural condition of the. The different types of water pollution can be broadly classified as pointsource, nonpoint source and, transboundary. 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.