Under rather exceptional circumstances, water bodies may become significantly contaminated by the atmospheric deposition of pollutants.
Physical factors such as radiations also have an impact on water quality and aquatic life Goel 2. It measures all oxygen consuming pollutant materials present in water. Industries should not be allowed to discharge untreated chemicals into the water bodies. Migrating birds caught m the oil slicks losing their power of flight due to closer interlocking of barbules of the feathers, is common enough.
Water pollution by organic wastes is measured in terms of bio-chemical oxygen demand BOD. Point sources includes pipelines, ditches, sewers, etc from industries, sewage treatment plants, landfills, hazardous waste sites, leakage from oil storage tanks which discharges wastes directly into the water bodies.
Degree of Water Impurity: Treatment of Domestic Sewage: It is an indicator of water or effluent quality which measures oxygen demand by chemical as distinct from biological means using potassium dichromate as the oxidizing agent.
Water hyacinth popularly known as Kaloli and Jalkumbhi, can purify water polluted by biological and chemical wastes.
Other hydrocarbon particles get settled down through rain water from air to ocean or sea water. In this treatment, three steps are involved: Variety of organic chemicals: Long and Short Essay on Water Pollution in English Water pollution is the main issue affecting human lives in many ways.
For example, the planting of extensive tracts of coniferous forests, usually in upland areas, results in the acidification of the soil and the waters which drain these plantations.
Bio-accumulates are substances that increase in concentration in living organisms as they take in contaminated air, water, or food because the substances are very slowly metabolized or excreted. Other main industries causing water pollution are sugar mills, distillery, glycerine, tin, paints, soap spinning, rayon, silk, yarn, etc which are discharging poisonous wastes.
The treated effluent and domestic water can be reused either for gardening or cooling purposes or wherever possible.
High levels of organic chemicals acids, salts and toxic metals can make the water unfit to drink, harm fish and other aquatic life, reduce crop yields. Sewage produces foul-odour and makes the water brownish and oily.
It shows biological amplification and accumulates inside kidneys, liver, pancreas and spleen. Poorly designed and inadequately maintained septic tanks g.
Water pollution is the mixing of foreign substances by means of organic, inorganic, biological and radiological in the water degrading the quality and usefulness of water. Water pollution is the contamination of drinking water by the poisonous pollutants generated by the human activities.
Oceanic pollution is caused by ship-generated discharges of oil and petroleum products, noxious liquids, packaged dangerous goods, sewage, garbage etc.
Water pollution essay is the type of the student’s reflection on the narrow environment problems of the contemporaneity, which possess both the informative and the motivational values.
Water Pollution Essay 3 ( words) The level of fresh drinking water is becoming less day by day on the earth. There is a limited availability of drinking water on the earth however that too is getting polluted because of human activities. Water Pollution essays Water pollution has been an increasing problem over the last few years.
Pollution itself is when a substance or energy is introduced into the soil, air, or water in a concentrate. Pollution comes in many forms; agricultural, urban runoff, industrial, sedimentary, animal wast. Essay on Water Pollution: Types, Causes, Effects and Control!
When the quality or composition of water changes directly or indirectly as a result of man’s activities such that it becomes unfit for any useful purpose is said to be polluted.
This source of pollution can be readily identified because. Water pollution is one of the world's worst forms of pollution. For example, take a look at a glass of water. It may appear clear, but there are really millions of microscopic pollutants floating in it.
Approximately 70% of the earth's surface are covered by water; water is a very dynamic system 3/5(10). Water Pollution Essay. What are the Main Causes and Effects of Water Pollution?
Introduction. Water is known to be a universal solvent and this means that various substances can get added to water and remain completely or partially dissolved or at times even undissolved. Water pollution is a result of changes in its quality and such .Easy essay on water pollution