Download to read offline
WATER POLLUTION.pptx
- 1. WATER POLLUTION TOPICS: INTRODUCTION CAUSES OFWATER POLLUTION TYPES OF WATER POLLUTION EFFECTS OF WATER POLLUTION PREVENTION
- 2. Introducti on: Water pollution ariseswhenever dangerous chemicals, most typically pollutants or microbes, pollute a stream, river, lake, ocean, aquifer, or other body of water, lowering water quality while also making it poisonous to either people or the environment. Pollution from the atmosphere accumulates on the oceans and rivers. Pollution from either the earth can flow into an underground stream, eventually into a river, and subsequently into the atlantic. As a result, rubbish thrown in an empty lot can eventually pollute a water supply. Pollutants in water which causes disease or behave as poisoning. Bacteria and worms in sewage can enter drinking water supplies and cause digestive issues including cholera and diarrhoea. Hazardous chemicals, pesticides, and herbicides emitted by industries, farms, residences, and country clubs can cause acute poisoning and mortality, as well as chronic toxicity, which can lead to neuropsychiatric disorders or cancer.
- 3. Many waterpollutants infiltrate our systems whether we ingest or prepare a meal with it. Contaminants make their way into the intestinal system. They can either spread to other organs in the body and cause a variety of ailments. Chemicals that enter into touch only with skin while laundry clothing or swimming in dirty water can harm the skin. Dangerous chemicals in water systems can also impact the organisms and plants which dwell there. These species sometimes can live with the toxins in their systems, only to be eaten by humans, who may feel moderately unwell or experience more severe toxic consequences. Plants and creatures may die or fail to reproduce appropriately.
- 4. Causes Of Water Pollution: Wateris particularly susceptible to pollution. Described as a "universal solvent," water has the capability of dissolving more compounds than any other liquid on earth. It's what gives us Kool-Aid and vivid blue cascades. It's also part of the reason why water is so easily polluted. Toxic compounds from farms, towns, and factories quickly transform and combine with any of it, resulting in water pollution. Nature could sometimes produce it, for instance when mercury penetrates through the Earth's crust and pollutes oceans, rivers, lakes, canals, and reservoirs. However, the most common cause of poor water quality is anthropogenic and its repercussions Global warming : The rising global temperature due by CO2 emissions heat the water, diminishing its oxygen concentration Deforestation : Forest harvesting can deplete water supplies and develop biodegradable debris, which serves as a breeding ground for dangerous microorganisms.
- 5. Agriculture, industry, and animal farming: Chemical pollution from some of these industries constitutes onethe important contributors of eutrophication of water. Dumping of garbage and faeces : Chemical dumping from these industries constitutes one of the primary factors responsible for water nutrient enrichment. Transportation via sea: According to the UN, more than 80% of the world's sewage ends up in seas but also rivers unregulated Spills of fuel : The transportation and storage of oil and its by products is prone to spillage that causes pollution our water systems.
- 6. Types of waterpollution: The ocean's water : Eighty percent of ocean pollution (also known as marine pollution) arises on earth, whether close to the shore or further upstream. Contaminants such as chemicals, fertilisers, and toxic metals are transferred by the rivers and streams from farms, industry, and towns into our estuaries and lakes and then out to sea Water on the surface: Surface water, which covers over 70% of something like the world, is what fills our oceans, lakes, rivers, and each of the other blue spots on the global map. Surface water from rivers and streams (other than the ocean) accounts for more than 60% of all water distributed to American houses. Ground water : water rises and permeates beneath the earth, filling the fissures, crannies, and porosity spaces of an aquifer (essentially an underground reservoir of water), it produces groundwater—one of our least visible but most important geological resources. Roughly 40% of Americans get their drinking water from groundwater, which is hauled to the earth's surface. It is the only source of freshwater for some people in remote areas.
- 7. solitary source: Pollution from point sources occurs when damage comes from just a specific supplier. Water (also known as effluent) sprayed legally or unintentionally by a company, petrochemical industries, or the wastewater treatment plant, for example, as well as contamination from leaking septic systems, chemical and oil spills, and unlawful landfill, are examples. The nonpoint source : Nonpoint source pollution is contamination coming primarily different sources. Farming or rainstorm runoff, as well as detritus blown entering streams from farms, may be examples. Nonpoint source pollution is the leading cause of water contamination in US water, but it is challenging to manage given that there is no single, defined source. Wastewater and sludge : Wastewater is used water. It occurs via our basins, tubs, and restrooms (think waste) and also from economic, industrial, and agricultural activities (think metals, solvents, and toxic sludge). Drainage system refers with when precipitation transports road salts, oil, grease, chemicals, and debris from impermeable surfaces into our wetlands.
- 8. Effects of waterpollution: Concerning the ecosystem : Ecological systems depend on a intricate web of animals, plants, microbes, and microorganisms to exist, each of whom react with one another, either or through indirect means. Because once water contamination generates an eutrophication in a lake or sea, the proliferation of newly goals is to ensure drives plant and algae development, lowering the oxygen level in the water. Algal blooms, or a low level of oxygen, suffocates plants and animals and can result in "dead zones," or areas of water that are basically without any life. Concerning people's wellbeing : Simply stated, water contamination kills. In accordance with research released in The Lancet, it was responsible for 1.8 million fatalities in 2015. Water contamination might also make you sick. Each year and, over a billion individuals become ill as a result of contaminated water. In addition, moderate income neighbourhoods are excessively vulnerable since their dwellings are frequently located closest to the most polluting enterprises.
- 9. Waterways are contaminatedby chemicals and heavy metals from industrial and municipal wastes. These toxins are hazardous to aquatic life, lowering an organism's average lifespan and capacity to reproducing, and they move up the food chain as predators devour prey. This is how tuna and other large fish amass large amounts of poisons like mercury.
- 10. Prevention s: Pick up thetrash and place it inside a disposal container. If fertiliser gets onto roadways, blow or push it back into the vegetation. Don't fertilise the lawn shortly before something rains. Hazardous contaminants will end up in storm and river drains. Recycle and reuse or mulching trees and bushes or garden trash. If you can't decompose it, leave it in your lawn. Please do not blow leaves into the street. This causes clogging and destruction to drainage drains. Rather than on the roadway, rinse your automobile or gardening supplies in a gravel or grassy area. Pouring engine oil down the storm drain is not a good idea. Take everything to your local automotive parts store. It's completely free! Avoid hose an accident down a storm drainage to get rid of it. Cover the spill with kitty litter, sand, or similar material. When the liquid has solidified, sweep it up and dispose of it in a trashcan.
- 11.