by fibres as asbestos causes lung cancer and stomach diseases called Asbestosis. We will write a custom essay sample. The polluted water contaminated with toxic chemicals causes death of aquatic organisms (both plants and animals). (ii) Contaminated ground water increases acidity or alkalinity of the soil. The natural water usually contains three types of substances:. The contaminant water sources should be properly surveyed. Ii) Activated sludge process â in this stage, the sewage water is pumped into an aeration tank. Acid rain (B) Detrimental Effects of Lake Water Pollution: Same as those of ground water. Uses of Water: The water can be used for different purposes as mentioned below: (i) Domestic use for drinking, cooking and cleaning, etc.
The composition of water obtained from different sources is shown in Table.2. (C) Control of Lake Water Pollution: In order to control the level of pollutants in lake water, the following preventive measures should be adopted:. How can we avoid and possibly stop it? Water pollution refers to the mixing of contaminants or pollutants in to the water bodies (sea, lakes, rivers, oceans, groundwater, etc) through direct or indirect discharges causes environmental degradation and affects whole biosphere (human beings, animals, plants and organisms living in water). Local authorities of the village should form a team or committee that control and supervise the water pollution, they can caught and send those who polluter the water to police officers or higher authorities. Anyway, water pollution is a global problem affecting both developed and developing countries. Industrial wastes: The hazardous effluents released from industries, contain toxic heavy metals, ions and a number of organic and inorganic species. On the Basis of Degradation Nature: On such basis, water pollutants are of two types: (a) Degradable pollutants; and (b) Non degradable pollutants.
Ssignment ON water pollution global warming Table of Contents. Free Essay: Water pollution has become a huge problem in many countries all. 10 1 assignment ON water pollution global warming Table.
Country of iran essays
Uchicago essays 2011
The point source includes discharge of urban sewage drains and industrial effluents at specific points into rivers. The detergents being soluble can pass through the soil and pollute ground water. Improperly stored chemicals can slowly sweep into the groundwater system, to avoid groundwater contamination, so keep them in tightly sealed containers, inside of structures with cement floors. Further treated to tertiary level zero measures are adopted for secondary treatment :- i) Trickling filter method like the filter of mineral water, sewage water passes through a thick bed of gravel stones(large stone) so that bacteria will consume most of the organic matter. The water is not clean and safe enough to drink that maybe the water still carries bacteria or even viruses. Though water like other natural substances has self purifying capacity during recycling processes but when the foreign undesirable substances added to it exceed the tolerance level and self-purifying capacity of water, it gets polluted. Saving water will ultimately lead to the reduction of water that flows into the sewage treatment. Point sources includes pipelines, ditches, sewers, essays on moral realism etc from industries, sewage treatment plants, landfills, hazardous waste sites, leakage from oil storage tanks which discharges wastes directly into the water bodies. In addition, if you saw any villager that litter or polluting the river, should report or contact the appropriate authorities so that they can take actions. Besides agricultural processing wastes and animal wastes are also significantly polluting ground water. Temperature Changes Temperature changes from waste heat discharges can cause pollution when their elevation reduces dissolved-oxygen levels, accelerates eutrophication, affects ecological processes and blocks migration paths of fishes. The location of wells for drinking water supplies should be decided with utmost caution.