DALLAS (S&P Global Ratings) June 1, 2022--S&P Global Ratings assigned its 'AA-' rating to Trinity River Authority (TRA), Texas' approximately $7.4 million series 2022 revenue improvement bonds, issued for the Red Oak Creek project. At the same time, S&P Global Ratings affirmed its 'AA-' rating on TRA's Red Oak Creek Project, Texas' outstanding revenue improvement bonds, issued for the Red Oak Creek System, a regional wastewater treatment system. The outlook is stable. "The rating reflects the collective credit quality of the participants of the TRA Red Oak Creek Project," said S&P Global Ratings credit analyst Chelsy Shipman. "The contracts require unconditional payment by the participants to TRA. Payments are based on the participants' sewer flows as a percentage of total