Lake Titicaca, the largest lake in South America, hosts a unique and threatened biodiversity and its essential for the livelihoods and wellbeing of the Andean people – about two million Peruvians and Bolivians live in the catchment area of this giant lake and depend on it as a drinking water reservoir.
But Lake Titicaca has been under constant stress for years: 2.5 cubic metres of wastewater produced by the Peruvian and Bolivian population flow unfiltered into the lake per second, many fish species have already disappeared forever. In addition, there are pesticides from agriculture and heavy metal-contaminated wastewater from partly illegal mining in the region.