Standard&Poor's Ratings Services raised its ratings on Austin, Texas' prior first-lien combined utility system revenue bonds one notch to 'A+' from 'A' (For the details of this rating, please refer to the accompanying analysis that was published simultaneously on RatingsDirect, Standard&Poor's Web-based credit analysis reference system.), separate-lien water and wastewater utility system revenue bonds one notch to 'A' from 'A-', and prior subordinate-lien combined utility system revenue bonds one notch to 'A' from 'A-' based on the utility's demonstrated trend of strong financial performance and risk management while reducing the system's relative indebtedness and managing a large capital plan. Standard&Poor's also assigned its 'A' rating, and stable outlook, to the city's $132.475 million series