Denver, Colo.'s GO rating and the rating for the bonds of the Denver Board of Water Commissioners secured by the city's GO as well as water revenues, are affirmed. 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. Denver serves as a services, trade, and transportation center for the greater Rocky Mountain region. Its growing metropolitan employment has strongly outperformed national trends since 1990 and is diversified among services, trade, government, and manufacturing, although services accounted for 31% of the metropolitan total in 1999. Growth has occurred particularly in services, finance, and construction. Denver's population of 507,500 is