S&P Global Ratings has assigned its 'AAA' rating to Plano, Texas' series 2019 municipal drainage utility system revenue refunding and improvement bonds. At the same time, S&P Global Ratings has affirmed its 'AAA' rating on the city's outstanding municipal drainage utility system revenue bonds. The outlook is stable, with limited downside risk at this time. The rating is based on our opinion of the system's extremely strong enterprise risk profile and very strong financial risk profile, coupled with significant financial flexibility in terms of capital spending and rate setting. 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 (MSA), where it is one