 The most notable cancellations include the concession for Aguas Argentinas in Buenos Aires, Argentina, and the concessions for Cochabamba and La Paz, Bolivia.Private and mixed companies, however, continue to provide services in many cities of Colombia, in most of Chile, some Brazilian cities, and in Guayaquil, Ecuador.In rural areas, the provision of water services is usually the responsibility of community organizations (Juntas de Agua).