Standard&Poor's Ratings Services assigned its 'AA+/A-1+' and 'AA+/A-1' ratings to the New York City Municipal Water Finance Authority's (NYCMWFA) fiscal 2015 series BB, subseries 1 through 4, second general resolution water and sewer system revenue bonds. We also affirmed our 'AA+' underlying ratings (SPURs) on the authority's existing second-resolution bonds, as well as our 'AAA' long-term rating on the system's first general resolution revenue bonds. The outlook is stable for all ratings. The short-term component of the ratings is based on four severally liable liquidity facilities provided as follows: 2015 BB-1 bonds is provided by Bank of America N.A., 2015 BB-2 bonds is provided by Mizuho Bank Ltd. acting through its New York branch, 2015 BB-3 bonds is