Essay sample - The Dangers of Water Pollution

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Science
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Water pollution is the contamination of our rivers, lakes, public beaches, and drinking water by unwanted agents known to cause illness, disease, and death. Water pollution can take many forms, originate in a variety of sources, and cause a multitude of problems…

Introduction

Heavy metals can leach into the water supply when it comes into contact with the drinking water as it is transported from the source to the faucet. The effects can range from a mild inconvenience to serious health problems in humans. It can cause a mildly upset stomach or may result in a terminal illness. Animals and fish, even more sensitive to many pollutants and these toxins, can be placed at risk when the ecological system of our rivers and lakes is disrupted. Whatever form the water pollution takes, it is certain to threaten the food supply, damage recreation areas, and be a major threat to human health.
When toxic chemicals leach or are spilled into the water system the wildlife that depends on that supply suffers. In the case of an oil spill from a tanker, the results are fast and obvious. Wildlife, fish, and birds are immediately threatened with the crude oil sludge. The oily sludge permeates their fur and feathers handicapping any hope of the animal's survival. This form of pollution is highly visible and causes damage that can be easily measured and evaluated. We can readily see the animals die as they encounter this water pollution. However, other types of pollution that threaten our wildlife are not so readily apparent. Industrial chemicals that leach into our water supply, streams, and lakes may not be visible to the human eye. ...
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