how is water pollution harmful to us?
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How does water pollution affect humans? ... Infectious diseases can be spread through contaminated water. Some of these water-borne diseases are Typhoid, Cholera, Paratyphoid Fever, Dysentery, Jaundice, Amoebiasis and Malaria. Chemicals in the water also have negative effects on our health.
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Contaminated water can transmit diseases such diarrhoea, cholera, dysentery, typhoid, and polio. Contaminated drinking water is estimated to cause 485 000 diarrhoeal deaths each year. By 2025, half of the world's population will be living in water-stressed areas.
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There are many different types of water pollution and all have a different adverse effect on the environment. Heavy metals from industrial processes can accumulate in nearby lakes and rivers. These are toxic to marine life such as fish and shellfish, and can affect the rest of the food chain.
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Traditional cosmetics and toiletries do the most damage to the environment once they are washed away down our sinks. From our sinks the chemicals are released into our lakes, streams, rivers and public water systems, damaging wildlife and flora and fauna. It is not just aquatic life that is impacted.
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For centuries, humans unknowingly contaminated sources of drinking water with raw sewage, which led to diseases such as cholera and typhoid. ... Water pollution intensified with the advent of the Industrial Revolution, when factories began releasing pollutants directly into rivers and streams.
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Water pollution harms fish populations in various ways. When nutrients wash into waterways through storm runoff, they deplete oxygen in the water that fish need to survive. ... Heavy metals created when fossil fuels are burned enter the atmosphere, eventually making their way into bodies of water.
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The main problem caused by water pollution is that it kills organisms that depend on these water bodies. Dead fish, crabs, birds and sea gulls, dolphins, and many other animals often wind up on beaches, killed by pollutants in their habitat (living environment). Pollution disrupts the natural food chain as well.
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Some 80 percent of the world's wastewater is dumped—largely untreated—back into the environment, polluting rivers, lakes, and oceans. This widespread problem of water pollution is jeopardizing our health. Unsafe water kills more people each year than war and all other forms of violence combined.
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Chlorine is deliberately added to the US water supply to kill germs and pathogens, but when it mixes with other organic compounds it can create a few harmful byproducts. One of these byproducts, a group of chemicals known as trihalomethanes (THMs), has been linked to kidney problems and increased cancer risk.
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Thermal pollution decreases water quality through any process which causes changes in ambient water temperature. ... This simple use of heating or cooling water can have large effects to the oxygen levels in a body of water which impacts local ecosystems and the environment.
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Increased runoff reduces groundwater recharge, thus lowering the water table and making droughts worse, especially for agricultural farmers and others who depend on the water wells. When anthropogenic contaminants are dissolved or suspended in runoff, the human impact is expanded to create water pollution.
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Reduce discharges of pollutants into surface waters and eliminate contamination and over consumption of groundwater. Prevent human health risks due to the spread of waterborne diseases, water contamination, and hostile actions. Prevent physical modifications from land use/ cover changes or hydrologic disturbances.
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Humans are the main cause of water pollution, which is triggered in many ways: by the dumping of industrial waste; due to temperature rise, that cause the alteration of water by reducing the oxygen in its composition; Or due to deforestation, which causes sediments and bacteria to appear under the soil and therefore ...
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When polluted groundwater reaches drinking water systems it can pose serious public health threats. Nutrient pollution can affect vital ground water and drinking water sources. Surface waters, like lakes, rivers and streams, provide drinking water for about 170 million people in the United States.
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Health risk associated with polluted water includes different diseases such as respiratory disease, cancer, diarrheal disease, neurological disorder and cardiovascular disease [21]. Nitrogenous chemicals are responsible for cancer and blue baby syndrome [22].
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Desalination is bad for the environment and human health. The by-products of desalination include coagulalants, bisulfates, and chlorines. When concentrated waste is dumped into the ocean as it is with desalination, it is harmful to marine life and environments.
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People are sometimes careless and throw rubbish such as bottles and crisp packets directly into rivers. Pollution kills water plants and animals. Polluted water also carries diseases. When animals drink the water, they may get diseases which can kill them.