GLGY 308 Lecture Notes - Lecture 8: Maximum Contaminant Level, Lake Huron, Lead Poisoning
28 Dec 2019
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Lake water is a more stable source of water compared to river water which is more corrosive. Old flint water plant (hadn"t been operational in 50 years, so had out dated equipment) Describe the main aspects of the treatment of drinking water at flint. Sediment particles removed by adding a coagulant. Use coagulate to help particles in water stick together. Water moves through filtration beds containing material like sand. As water trickles through sand, it will remove rest of the particles from the water, making water look clean but it may still carry invisible toxins. To remove invisible toxins, use carbon filtration. Finishing chemicals like chloride and fluoride are added. E. coli bacteria with possible feacal origins. Officials added more chlorine to kill e. coli. Add increasing concentrations of chlorine (adding more chlorine) Over chlorinated water can create toxic by-products. In the video, it said that the max allowable lead in drinking water, as recommended by the.
