S&P Global Ratings assigned its 'AAA' rating to the City of Watertown , Mass.' $56.83 million series 2025 general obligation (GO) municipal-purpose loan bonds. At the same time, we affirmed our 'AAA' rating on Watertown's existing debt. The outlook is stable. The rating reflects the application of our ? Methodology For Rating U.S. Governments ,? published Sept. 9, 2024. DALLAS (S&P Global Ratings) May 16, 2025—S&P Global Ratings today took the rating actions listed above. We reviewed Watertown's environmental, social, and governance risks relative to the city's economy, management, financial measures, and debt and liability profile, and view them as neutral in our analysis. The city has adopted climate, energy, and resiliency plans that are integrated into its capital planning