what are the harmful effects of water pollution?
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Infectious diseases, like cholera, typhoid fever [6] and other diseases gastroenteritis, diarrhea, vomiting, skin and kidney problem are spreading through polluted water [7]. Human health is affected by the direct damage of plants and animal nutrition.
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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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Bacterial, viral and parasitic diseases like typhoid, cholera, encephalitis, poliomyelitis, hepatitis, skin infection and gastrointestinal are spreading through polluted water. It is recommended to examine the water quality on regular basis to avoid its destructive effects on human health.
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Water pollution occurs when harmful substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water, degrading water quality and rendering it toxic to humans or the environment.
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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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The dying process discharges many chemicals through the polluted water and chemicals, which results in the death of aquatic life, the ruining of soils and poisoning of drinking water. ... A great environmental concern with dyes is the absorption and reflection of sunlight entering the water.
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The lack of care on surface water affects all oceans, rivers, and lakes directly, where pollution like agricultural chemicals affect ground water, which eventually makes it to the sea. Causes of pollution include oil (35% from city runoff), agriculture pesticides and fertilizer runoff, garbage misplacement, and mining.
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Soil Problems Water pollution makes the soil acidic and negatively affects the solubility of nutrient ions, such as iron, magnesium, potassium and calcium ions. As a result, water removes these nutrients more quickly from the soil and sends them into streams and lakes, according to Cornell University in New York.
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Water pollution happens when toxic substances enter water bodies such as lakes, rivers, oceans and so on, getting dissolved in them, lying suspended in the water or depositing on the bed. This degrades the quality of water.
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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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Drinking contaminated groundwater can have serious health effects. Diseases such as hepatitis and dysentery may be caused by contamination from septic tank waste. Poisoning may be caused by toxins that have leached into well water supplies. Wildlife can also be harmed by contaminated groundwater.
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Clean drinking water, hygiene, and sanitation play an important part in maintaining health. Contaminated water causes many water-borne infections like diarrhoea, and also serves as a carrier for vectors such as mosquitoes spreading epidemics. ... It results in control of enteric diseases, and boosts child health.
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Air pollution causes damage to crops, animals, forests, and bodies of water. It also contributes to the depletion of the ozone layer, which protects the Earth from the sun's UV rays. Another negative effect of air pollution is the formation of acid rain, which harms trees, soils, rivers, and wildlife.
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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. ... Pesticides and heavy metals that enter waterways can also harm or kill fish.
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Water Pollution. Water pollution has been one of the main impacts that the tourism industry has on environment. ... The tourism industry has also impacted the water quality through its abuse to meet the increased demand of food, construction and maintenance of tourist infrastructure.
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Pollution may muddy landscapes, poison soils and waterways, or kill plants and animals. ... Long-term exposure to air pollution, for example, can lead to chronic respiratory disease, lung cancer and other diseases. Toxic chemicals that accumulate in top predators can make some species unsafe to eat.
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Polluted water in the ground actually washes the essential nutrients plants need out of the soil. ... Without these nutrients, plants become more susceptible to drought, fungal infections and insects. Water pollution also leaves large amounts of aluminum in the soil, which can be harmful to plants.