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The Wastewater Treatment Division operates a wastewater treatment facility that accepts sanitary sewage from St. George, Ivins, Santa Clara, and Washington City. The treatment plant has a design capacity of approximately 17 million gallons per day (mgd), and currently treats an average of 9.5 mgd. The plant utilizes an oxidation ditch / extended aeration process that uses physical and biological processes to treat the sewage. There is a 97 to 98% removal rate of contaminates in the treatment process. 


The wastewater treatment plant also has the support of a State certified laboratory that is accredited through a national program called NELAP. The lab performs testing for plant process requirements, required Utah Pollution Discharge Elimination System testing, pretreatment testing, and drinking water testing. 


Water and Energy Adminstration
811 East Red Hills Parkway