...S&P Global Ratings assigned its '###+' long-term rating to Shreveport, La.'s series 2019B water and sewer junior-lien revenue bonds. At the same time, S&P Global Ratings affirmed its 'A-' rating on the city's senior-lien utility revenue bonds and '###+' rating on Shreveport's existing junior-lien utility revenue bonds. The outlook is stable. The rating reflects our opinion of a strong enterprise risk profile and an adequate financial risk profile. The enterprise risk profile reflects our view of the system's: + Role as the namesake city in the broad and diverse Shreveport-Bossier City metropolitan statistical area, with a deep employment base, stable regional economy, and affordable cost of living; + Very low industry risk as a monopolistic service provider of an essential public utility; + Rates we believe moderately expensive, with preapproved rate increases through 2022; and + Good operational management practices and policies. The financial risk profile reflects our view of the system's:...