SAN FRANCISCO (Standard&Poor's) Aug. 12, 2011--Standard&Poor's Ratings Services assigned its 'AA+' long-term rating to King County, Wash.'s $403.04 million sewer revenue and refunding bonds (senior-lien parity bonds), series 2011B. The outlook is stable. "The rating reflects our view of such factors as the county's role as the sole regional provider of wastewater treatment services, its consistent financial performance, its maintenance of very strong designated cash reserves, and its robust economic base," said Standard&Poor's credit analyst Paul Dyson. King County's sewer system has issued the parity bonds, and we understand that it will use the proceeds to fund the county wastewater treatment division's capital improvement plan (CIP) and to refund various bonds. The stable outlook