SAN FRANCISCO (Standard&Poor's) May 8, 2015--Standard&Poor's Ratings Services assigned its 'AA+' long-term rating to Los Angeles, Calif.'s $178 million series 2015A wastewater system revenue bonds (Green Bonds), $39.9 million series 2015B wastewater system revenue refunding bonds, $94 million series 2015C wastewater system revenue bonds (Green Bonds), and $146 million series 2015D wastewater system revenue refunding bonds. In addition, we assigned our 'AA' long-term rating to the wastewater system's $32.4 million series 2015A subordinate-lien wastewater revenue refunding bonds. We also affirmed our 'AA+' long-term rating and underlying rating (SPUR) on the city's previously issued senior-lien wastewater revenue bonds, and affirmed our 'AA' long-term rating and SPUR on the city's previously issued subordinate-lien wastewater revenue bonds. The outlook