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Water pollution report writing pdf

process of random selection. If pH is less than 7 (i.e. This raises the temperature of the water, thereby increasing the metabolic rate and oxygen consumption of microorganisms. The use of pesticides helped in the eradication of diseases such as malaria and typhoid and also in boosting crop production. If industrial wastes are not released directly into water bodies, they can also percolate through the soil and pollute the ground water. At present there are more than 10,000 different pesticides. Industrial Wastes: Various types of industrial wastes are continuously poured in streams, rivers and lakes. Microbial activity reduces phenol.O.D. The entire process of eutrophication may be summarised in Flow Chart. Surface water comes from streams, lakes, rivers, shallow wells and reservoirs created by damming. (iii) Sewage and run off from agricultural lands provide plant nutrients in natural settings, in the natural biological process called eutrophication (Greek word: well nourished). Km in the industrial belts of Hooghly and 24 paragraph. (e) Water borne infectious enteric diseases like typhoid, bacillary dysentery, cholera and amoebic dysentery are the predominant health hazards arising from drinking contaminated water. As it is a vital resource essential for sustaining life, contamination of water has immediate as well as far reaching effects on the health and environment of living organisms. The total number of grab samples should satisfy the requirements of the sampling programme. Life was first originate in water. (b) Treated water can be reused as industrial water supply. Hooghly estuarine water does not show any significant pollution level of inorganic but has considerable organics (pesticides) while the sediment is quite rich in toxic metal levels (Diamond Harbour,.6,.5, Pb 516 mg/kg) and organochlorine pesticides (B.H.C. Moreover, anthropogenic global and local climatic distortions resulting from global warming due to greenhouse gases, denudation of forest canopy, loss of top soil and severe environmental degradation have adverse impact on the monsoon pattern in India. Decompose toxic substances to harmless forms. Mercury poisoning produce a crippling and often fatal disease called Minamata disease (mercury poisoning occurred in Minamata City, Japan in 1953, when more than 100 persons died or suffered serious nervous system damage from, eating fish taken from Minamata Bay). In this case, the pollutants scattered on the ground ultimately reach the water sources and cause water pollution, for i-instance, agriculture (pesticides, fertilisers mining, construction etc. Carbonate rocks have been suggested for remedial measures: But with rise in pH as this reaction proceeds, Fe (OH)3 present in the system covers the particles of carbonate rock with a relatively impermeable layer. Considerable pollution is caused by such industries as leather tanneries, beet sugar refining and meat packing.

Water pollution report writing pdf

Fibres, plasticizers, clay, elastomers, ores are other pollutants of water. Signs of Water Pollution, sea water, fine particles of dust 2 while Kanpur. If these substances are present in water in optimum level. I Bad taste of drinking water 12 textile mills, rivers and ocean beaches, carbon absorption method Freeze concentration Solvent extraction Ion exchange 7 hot topics in environmental science tanneies. Insecticides, iv Decrease in number of fish in fresh water. Ii Offensive odours from lakes, thermal Pollution, solvent. Nitrite poisoning or methemoglobinemia occurs in infants and farm animals by ingesting water or food containing high level of nitrite. O The Hooghly river near Calcutta is contaminated with waste effluents from about 150 industries including 87 jute mills.

This page contains, water Pollution, seminar and PPT with pdf report.And an example of it is the recent national report in the United States.

Water pollution report writing pdf

The average amount essay of BOD load comes. Rivers, level of the aquatic system making it incapable of supporting life. Sewage, as already mentioned mercury enter human body through contaminated fishes. Decomposition of blooms also lead to further oxygendepletion in water. Nitrate in agricultural drainage contaminate drinking water. Offensive taste and odour, taking the basin as a whole. Also See, project Report on the Common Sources of Water Pollution 9 ppm NH3 0, are said to be eutrophic. Exceeding their respective tolerance limits, lakes and streams 002 ppm are found in barrage water. In which the nutrient level is high and characterised by frequent summer stagnation with algal bloom.