Aguas Patagonia de Aysén S.A. is a potable water and sewerage services provider in southern Chile's Aysen Region (XI). Incorporated in 2002, the company entered a 30-year concession contract with Econssa Chile, starting in 2003, for the development, construction, and operation of the region's water production and distribution and wastewater collection, treatment, and disposal services. The firm serves more than 90,000 residents in the eight cities within the concession area. It has a 100% coverage of potable water and 94.3% of sewerage services. Aguas Patagonia de Aysén is headquartered in Coyhaique.