Standard&Poor's Ratings Services affirmed its 'AA+/A-1+' rating on Pittsburgh Water&Sewer Authority, Pa.'s water/sewer subordinates variable-rate demand bonds series 2008C-2, because the bank facility has been extended to Aug. 9, 2014. The long-term component of the rating is based on the rating on Assured Guaranty Municipal Corporation. The short-term component of the rating is based on the rating on JP Morgan Chase Bank, N.A. USPF Criteria: Bank Liquidity Facilities, June 22, 2007