...May 23, 2023 DALLAS (S&P Global Ratings) May 23, 2023--S&P Global Ratings raised its underlying rating to '###' from '###-' on Harris County Municipal Utility District (MUD) No. 460, Texas' general obligation (GO) bonds outstanding. At the same time, S&P Global Ratings assigned its '###' underlying rating to the district's $15.6 million series 2023 unlimited-tax bonds. The outlook is stable. "The upgrade reflects the district's significant tax base growth and maintenance of very strong reserves," said S&P Global Ratings credit analyst Bikram Dhaliwal. The stable outlook reflects our opinion that the district will likely maintain its very strong reserves, though its high debt burden may constrain the rating in the near term. We could lower the rating if the district's finances were to significantly deteriorate, or if its debt burden increases to a level beyond what we consider commensurate with those of similarly rated peers. We could raise the rating if the district's direct debt burden...