NEW YORK (Standard&Poor's) July 22, 2008--Standard&Poor's Ratings Services raised its rating to 'AA+' from 'AA', on Trinity River Authority, Texas' regional wastewater system revenue bonds outstanding. In addition, we assigned a 'AA+' rating and stable outlook to the authority's series 2008 refunding regional wastewater system improvement revenue bonds in the amount of $61.99 million. "The upgrade reflects the member cities' improving general creditworthiness and financial stability, as well as their strong service area economies and the solid operations of the respective utility systems," said Standard&Poor's credit analyst Edward McGlade. "The stable outlook reflects the expectation that participant cities will continue providing revenues that generate adequate debt service coverage and that officials will adjust wholesale