S&P Global Ratings assigned its 'AAA' long-term rating to King County, Wash.'s expected $240.6 million series 2021A limited-tax general obligation (GO) and refunding bonds and expected $94.7 million series 2021B taxable limited-tax GO and refunding bonds (all of which are payable from sewer revenue). The outlook is stable. The county will have about $4.6 billion in direct debt outstanding at the end of 2021 excluding planned-but-unissued debt, and after our adjustments for revenue-supported debt and GO debt we consider self-supporting we calculate the county's net direct governmental debt at $1.2 billion. Proceeds of the series 2021A will fund acquisitions and improvements to the county's sewer enterprise and will refund state loans that funded improvements to the enterprise. Proceeds of the