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Water Quality In Daily Life

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All water is reused. It may be used and used again in its journey from deposition as rain to eventual mixing with the sea (James and Edward, 2006). There is no doubt that water is essential in our daily life. The water we drink every day, is it safe to drink? Water quality is measure by several factors, such as the concentration of dissolved oxygen, bacteria levels, the amount of salt or the amount of suspended material in the water. The concentration of microscopic algae and quantities of pesticides, herbicides, heavy metals, and other contaminants also factors to measured water quality. Experts have worked internationally including in the United State for the past decades and have designed the term Water Quality Index (WQI) in the need for …show more content…

Poor water quality can pose a health risk for people and ecosystems. Some research link high levels of lead in drinking water can affect in physical and mental development, short attention spans, and difficulties of learning in children. There was also evidence that arsenic in drinking water can lead to nerve, heart, skin, and blood vessel damage. Stream quality or other water sources might be improved enough by removal of BOD and suspended solids (Delzer,G.C. and McKenzie,S.W , 2003).

Biochemical Oxygen Demand (BOD)
Biochemical oxygen demand represents the environmental procedure to determine the quantity of oxygen consumed by bacteria and other microorganisms while they decompose organic matter under aerobic conditions at a certain temperature over a specific time period. Oxygen demand is a measure of the amount of oxidizable substances in a water sample that can lower DO concentrations (Nemerow, 1974; Tchobanoglous and Schroeder, 1985). The amount of dissolved oxygen in rivers and streams affected by BOD. Temperature, pH, the presence of certain kinds of microorganisms, and the type of organic and inorganic material in the water are the variables that gives effect to the rate of oxygen consumption. The greater the BOD indicates

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Nitrates should be greater than or equal to one parts per million (ppm), phosphates should be less than or equal to .1 ppm, and the pH values should be about equal to seven. The dissolved oxygen in the river depends on the temperature, if the temperature is cooler than the dissolved oxygen levels will be higher, but the recommended amount of dissolved oxygen should be greater than or equal to five. For a healthy river the turbidity levels should be 120 centimeters

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phosphates and nitrates ) - which is when fertilizers < such as those on farms > can seep through the soil or even run down the soil - called runoff - into the creek causing the water to have more nutrients than it should. ) Depending on how much pollution there is depends on how much algae there is ( the more eutrophication -there is the more nutrients in the water- results in how much algae there will be.) We were also testing on the pH scale ( which measures the acidity or alkalinity of water ) goes from 0 - 14 where 6 - 0 is higher acidity and 8 - 14 is higher alkalinity ( alkalinity is what neutralizes/destroys acid. ) 7 on the pH scale is neutral and that is the ideal water for the ecosystem. The pollution that we were testing for is where the acid came from to begin with.

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Drinking contaminated water can cause different types of cancers and also infertility and birth defects due to of the presence hazardous chemicals. Impoundments that have not been built or properly closed off have led to the death of many animals and also health issues in

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All organisms need oxygen to survive and when their is not enough oxygen, it leaves plants and animals to die. The area of water where there is a low count of oxygen are often called a dead zones. Also, an increase of the pH level in the water can be created because of algae blooms. The toxic killing algae can make humans sick. For the aquatic animals, these toxins attack mainly the organisms liver and nervous system (Nitrogen and

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The built-in probe in the chamber measured the dissolved oxygen concentration in the chamber’s water (mg/L), which could reflect the oxygen consumption rate of goldfish. After the fish accommodated to the new environment, the oxygen concentration data were collected every 20 seconds for 10 minutes by the Logger Lite program. The data were then plotted into a scatter chart and analyzed with a linear trendline, to obtain

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Recent studies have shown that the water in Flint, Michigan has been contaminated by a horrible health impact, lead. This has happened because nearly two years ago, the state of Michigan decided to save money by switching Flint’s water supply from Lake Huron, to the Flint River a notorious tributary that runs through town known to locals for its filth. This has led to many terrible effects shown in both children and adults. The many effects lead has on children and adults are very drastic if not taken care of properly they could have lifetime effects. Dangerous effects lead can lead to that effect children.

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Wastes deposited by the animals can introduce nutrients and disease-causing organisms into the water, posing problems for aquatic organisms as well as human populations that use the water.” Another way that humans can negatively impact the water quality is by fertilizers and pesticides being put into the water. When this happens it can make the nitrogen and phosphorus levels increase which can be lethal to the organisms in

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Nutrient pollution coming from agricultural runoff and other fertilizers allows for the growth of species that upset the balance of the ecosystem such as Cattail, harmful algae bloom, and duckweed. The sulfur in the agricultural fertilizers leads to accumulation of toxic mercury in fish, birds, and mammals. Also, exotic animals or invasive species displaced native and threatens to disrupt the ecosystem balance. The purpose of this experiment is to determine how the water quality affects the Everglades ecosystem and how water pollution impacts different species. Urbanization is a big threat that contributes to poor water quality in water pollution.

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In order to recycle the water, the water must travel by sewers which can result into contamination of the water. Contamination of drinking water comes from the raw sewage overflow, leaking sewage lines, and partially treated waste. If consumption of contaminated was ever occur, threats that would become about would be E.Coli, Hepatitis A, Giardia, and

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As you may know, water is a necessary part of life. Water is vital to one’s health to drink plenty of water. Without water humans cannot survive. Water is a valuable resource for everyone on Earth. Everyone has the right to water because it is a natural source from Earth.

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The purpose of this lab was to test the effect of pollution on algae growth. Through a series of experiments that lasted a month, four of the six hypotheses were proven to be correct or partially correct. The first hypothesis stated that if 0.5 mL of salt was added to algae, then the algae would grow slower than the positive control. This was proven correct, as shown by the difference of the data from the positive control and the container with 0.5 mL of salt in it.

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The Lake Ontario food web has been damaged by over-fishing, fluctuation in nutrient levels, industrial chemicals, agricultural fertilizers, untreated sewage, phosphates from laundry detergents, and pesticides[4]. Some pollutant chemicals that have been found in the lake include DDT, benzopyrene, PCBs, chromium, lead, mercury, and carbon tetrachloride[4]. Conclusion Future research into Lake Ontario’s aquatic health could be to study how the pollution has changed the ways we treat the water from the lake before human consumption. Over the years the water treatment methods have changed to adapt to poorer water conditions and by tracking these changes we may be able to further understand the negative impact that we are placing on the fresh water

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Water is the most important component found on the surface of the earth because it is source of life for living creatures. However, water pollution has become a global concern. Water pollution can have several forms from diverse sources. It is expected that there will be a lack of clean water in next few decades due to pollution. Nile river water in Egypt is the focus of attention of many studies due to many reasons.

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