The causes of the pollution crisis in the Lake Vichuquén basin and the Llico estuary, and their possible solutions

The water bodies within the Lake Vichuquén and Llico Estuary basin face multiple, interconnected water quality issues. In this context, harmful algal blooms (HABs) and waterborne pathogens are major concerns due to their impact on human and animal health, as well as on recreational activities. This report details the causes and driving factors behind the basin’s water quality issues and outlines various options for improvement and restoration.