SAN FRANCISCO (S&P Global Ratings) April 13, 2022--S&P Global Ratings assigned its 'AA' long-term rating to the San Francisco Public Utilities Commission's (SFPUC)approximately $299.7 million wastewater revenue bonds. At the same time, we affirmed our: 'AA' rating on the SFPUC's existing wastewater revenue bonds; 'AA' rating on the SFPUC's series 2020 Water Infrastructure Finance and Innovation Act (WIFIA) loan agreement (Southeast Treatment Plant/Headworks Project); 'AA' rating on the series 2018 WIFIA loan replacement agreement (Biosolids Project); and 'A-1+' short-term rating on the SFPUC's commercial paper (CP) notes. The outlook, where applicable, is stable. "The ratings reflect our assessment of the wastewater system's primary near-term risks which center on the possibility that if proposed rate adjustments are not implemented as planned,