This study investigates the efficacy of locally sourced clay adsorbents for the removal of organic pollutants from urban wastewater in the El Oued region of Algeria. Native clay samples were characterized, activated, and applied to urban waste streams, focusing on the elimination of chemical oxygen demand (COD), biochemical oxygen demand (BOD), total suspended solids (TSS), and turbidity. Enhanced adsorption rates were observed with acid and thermally activated clay, achieving removal rates greater than 80% for key pollutants. Results highlight the potential of local clay as an economical, sustainable solution for municipal wastewater management