SAN FRANCISCO (Standard&Poor's) July 8, 2010--Standard&Poor's Ratings Services assigned its 'AA+' rating to King County, Wash.'s $336.035 million sewer revenue and refunding bonds ("parity bonds," which is the senior lien), series 2010. At the same time, Standard&Poor's affirmed its 'AA+' rating and underlying rating (SPUR) on the county's outstanding parity bonds (senior lien), its 'AA-' SPUR on the county's outstanding junior-lien bonds, and its 'A-1+' short-term rating on the county's outstanding commercial paper (CP), which is secured by a lien subordinate to the county sewer system's junior-lien obligations. The outlook on all long-term ratings and SPURs is stable. "The ratings reflect our view of county council's demonstrated ability and willingness to incrementally and regularly