Wastewater Treatment Plants in the United States Essay

Wastewater Treatment Plants in the United States Essay

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It is hard to imagine that the planet earth could possibly be experiencing an epic crisis of water deficiency. Earth is made up of 75 percent water, why, if water is in so abundant, is it such a precious commodity? Some countries have begun to ration water, while others act as if there is an endless supply. The numbers are very deceiving simply because the water that is in such short supply is fresh water, which is crucial for all aspects of life. "About 97.5% of all water is the saltwater of the oceans and seas. The remaining 2.5 percent is freshwater-water with salt content of less than 0.1percent. This is the water on which most terrestrial biota, ecosystems, and humans depend. Of the 2.5 percent, though, two-thirds is bound up in the polar ice caps and glaciers. Thus, only 0.77 percent of all water is found in lakes, wetlands, rivers, groundwater, biota, soil, and the atmosphere. On a global level the largest amount of water is used for irrigation, nearly 70 percent, while industry uses 20 percent and actual human use is 10 percent.”(Wright& Boores, 2005) Healthy aquatic ecosystems are essential providers of food and several other important bi-products necessary for life. The world currently faces a water crisis, both of amount and purity, caused by a surge in world population, food production practices, living standards, and industrialization. Improvements in wastewater management have had a vital impact on the biological differences in aquatic ecosystems. The main objective of wastewater treatment is to have all waste products from humans and industry be returned safely to the environment.
By definition, “wastewater is used water. It includes substances such as human waste, food scraps, oils, soaps and chemicals. I...

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...or irrigating crops. Retrieved from Science Daily website: http://www.sciencedaily.com
Lawson, J. (2013, October 21). Technology creates a cost savings at wastewater treatment plant. Kenosha News. Retrieved from kenoshanews.com
Parmionova, C. (2010). Sick water:the central role in wastewater management. Water and Relief International.

Perlman, H. (2014). USGS:science for a changing world. Retrieved from http://water.usgs.gov/edu

Stages of Wastewater Treatment [Print Graphic]. Retrieved from http://www.sheffy6marketing.com/

Wastewater Treatment Facility [Print Photo]. Retrieved from Image: http://www.ibwc.state.gov/Organization/Operations/Field_Offices

(2008). The clean water people. World Environmental Federation, Retrieved from http://www.wef.org/

Wright, R. T., & Boorse, D. F. (2005). Environmental science. (12th ed., p. 240). Pearson Education.

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