SAN JOSE, Calif.--(BUSINESS WIRE)--Fitch Ratings affirms the 'AA' rating on the following city of Sacramento, California (the city) revenue bonds: --$30.8 million wastewater revenue bonds, series 2013. The Rating Outlook is Stable. SECURITY The bonds are secured by net revenues of the city's sewer system (the system or utility) after payment of maintenance and operations expenses. KEY RATING DRIVERS STRONG FINANCIAL PERFORMANCE: Financial performance is sound with stable revenues, healthy debt