NEW YORK (Standard&Poor's CreditWire) Aug. 21, 2000--Standard&Poor's today assigned its double-'A'-plus rating to Denver City and County, Colo.'s $29 million GO various purpose bonds series 2000 due Aug. 1, 2015. The bonds are scheduled to sell Aug. 22, 2000. The outlook is stable. In addition, Standard&Poor's affirmed its double-'A'-plus rating on the city and county's outstanding GO debt. The rating reflects: -- A strong and diverse economy, -- Above-average wealth and income levels, -- Moderately low debt, and -- Strong financial performance. These factors are offset slightly by state constitutional limitations on revenues. The Denver Board of Water Commissioners' city GO bonds are additionally secured by water revenues. Denver serves as a services, trade,