Standard&Poor's Ratings Services raised to 'AAA' from 'AA+' its rating on New York City Municipal Water Finance Authority's first resolution bonds. Standard&Poor's also raised its rating on the Authority's second resolution debt to 'AA+' from 'AA'. At the same time, Standard&Poor's assigned its 'AA+' rating and a stable outlook to the Authority's 2009AA water and sewer system second-resolution revenue bonds. The upgrade reflects the Authority's long history of maintaining strong coverage and liquidity and its sound financial and capital planning while managing the challenges associated with operating a large, urban system. The upgrade also reflects the Authority's demonstrated willingness and ability to pass the necessary rate increases to maintain the system's financial integrity. The