Dangers Of Water Pollution Essay

Dangers Of Water Pollution Essay-9
As everyone knows, one of the most serious issues in the world is water pollution.

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Water Pollution: Effects and Health Hazards of Water Pollution!

All organisms need water for their metabolic activities. Besides direct consumption (washing, bathing, drinking) man uses water for a multitude of purposes like irrigation, industry, navigation, recreation, construc­tion work, power generation and waste disposal.

(g) Thermal pollution of water reduces the DO level of the aquatic system making it incapable of supporting life.

(h) Oil pollutants have been known to be responsible for the death of many water birds and fishes.

The levels of these in the water determine the quality of the particular water body.

In this lab, we will be determining the quality of the water at Lewis and Clark Community College in Godfrey, Illinois.Different types of water uses require different levels of water purity with the highest level of purity being required for drinking water.Pollutants bring about many physical and chemical changes in water, for instance, suspended parti­cles make water turbid; dyes, chromium and iron compounds change the colour of water; phenols, oils, detergents, hydrocarbons, chlorine etc. 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.In a sense, our oceans, rivers, and other inland waters are being squeezed by human activities, not so they take up less room, but so their quality is reduced. Water pollution is a frightening problem, which results high rate of chemicals going into our water, this is a humankinds problem, excessive fertilization, sewage waste, and radiation waste, leads to water pollution....[tags: Water, Water pollution] - What are the biggest social issues facing humans around the world.We hope to find that the quality of water to be at normal levels in all of these areas.Literature Review: Acidity in water can kill fish and even humans, the p H of fresh water ecosystem, can be affected by natural and man-made sources of contamination....(d) Non biodegradable pesticides (especially organ chlorines) travel through food chains and ultimately reach humans where they accumulate in the fatty tissues and affect the nervous system.(e) Waterborne infectious enteric diseases like typhoid, bacillary dysentery, cholera and amoebic dysentery are the predominant health hazards arising from drinking contaminated water.(f) Fluoride containing pollutants cause fluorosis i.e.neuromuscular, respira­tory, gastro intestinal and dental problems.


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