Chile CGR Audit Finds Unauthorized Wastewater Plants Discharging Contaminants in RM

Chile's Comptroller General found five municipal wastewater treatment plants in María Pinto, Isla de Maipo, and Melipilla operating without authorization and with deficiencies, including confirmed discharge of highly contaminant waste into an irrigation stream. The finding signals regulatory and infrastructure gaps in the Santiago Metropolitan Region, with potential environmental and public health implications.