S&P Global Ratings assigned its 'AA' long-term rating to Austin , Texas' anticipated $1 billion water and wastewater Water Infrastructure Finance and Innovation Act (WIFIA) loan. At the same time, we affirmed our 'AA' long-term rating and underlying rating (SPUR) on the city's water and wastewater system revenue debt outstanding. The outlook is stable. The city of Austin owns and operates a water and wastewater system, Austin Water (AW), as well as an electric utility system, Austin Energy (AE), which provide the city as well as adjoining areas of Travis County and certain adjacent areas of Williamson County with electric, water, and wastewater services. Before 2002, the utilities operated as a single entity, with net revenue of the electric, water,