S&P Global Ratings assigned its 'AA' long-term rating to Austin, Texas' anticipated $455.7 million series 2024 water and wastewater system revenue refunding and improvement bonds. At the same time, S&P Global Ratings affirmed its 'AA' long-term rating and underlying rating (SPUR) on the city's outstanding water and wastewater system revenue debt. 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. Net revenue of the water and wastewater system secure the revenue bonds. We view the bond