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WASTEWATER TREATMENT WORKSHEETName___________________________________I.MUNICIPAL WASTEWATER TREATMENTUse the these on-line resources to investigate Municipal Sewage TreatmentWashington, D.C. Wastewater Treatment Plant Tour:General Facilities Explained by AnimationGuadalupe-Blanco River Authority (Texas),IntroductionName three threats to water quality from sewage waste.Name four household sources of wastewater other than toilets.Wastewater treatment technology is a sped up process that mimics what processes?What helps to move water in the plant?Preliminary TreatmentWhat is removed from the wastewater by the fine screens? Why?What is removed from the wastewater by the grit chamber? Why?What is the purpose of aeration at this step?Primary TreatmentWhat is removed in this process?What is the structure used here called?How are sludge and scum different?