...S&P Global Ratings has assigned its '###' rating to Plano, Texas' series 2018 waterworks and sewer system revenue bonds. At the same time, S&P Global Ratings affirmed its '###' rating on the city's series 2016 revenue bonds outstanding. The outlook is stable. The rating reflects our assessment of the city's combination of an extremely strong enterprise risk profile and a very strong financial risk profile, coupled with significant financial flexibility in terms of capital spending and rate setting. Net revenues of the city's water and wastewater system secure the bonds. The extremely strong economic profile reflects our view of Plano's: + Location in a broad and diverse service area within the larger Dallas-Fort Worth metropolitan statistical area. One of Dallas' largest suburbs, the city is home to a number of corporate campuses that help to boost income indicators to well above those of the region's and the nation's; + Role as a distribution- and collection-only system, greatly reducing...