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In this study, treated wastewater obtained from the effluent of Hendek Wastewater Treatment Plant belonging to Sakarya Metropolitan Municipality was used. Pilot scale advanced treatment plants were established in laboratory environment and the usability of recovered waters for agricultural irrigation was investigated. Pilot plants are formed using sand filter, ultrafiltration and UV disinfection alternatives. The pilot facilities consist of three different alternatives; 1-sand filter + chlorination, 2-sand filter + UV disinfection and 3-sand filter + ultrafiltration + UV disinfection. Chemical oxygen demand (COD), suspended solids (SS), turbidity, conductivity, pH values were measured for each alternative facility. Fecal coliform, residual chlorine, sodium adsorption rate (SAR), specific ion toxicity, nutrient levels and heavy metal-toxic element analyzes were performed. Analysis results The Technical Procedure Communique of Wastewater Treatment Plants, Appendix 7. As a result of experimental studies, water obtained from alternative pilot plant number three was found to be more suitable for agricultural use compared to other pilot plants in terms of heavy metal and toxic elements. Keywords : Urban wastewater, advanced treatment, heavy metals, toxic elements DOI : 10.7176/JSTR/5-4-06

Determination of Heavy Metal-Toxic Element Content of Urban Qualified Wastewater and using it for Agricultural Purposes