Standard&Poor's Ratings Services has assigned its 'AAA' long-term rating to Colorado Water Resource and Power Development Authority's series 2011A clean water revenue bonds and affirmed its 'AAA' long-term rating on the authority's previously issued clean and drinking water senior-lien bonds. Standard&Poor's also affirmed its 'AA+' long-term rating and underlying rating (SPUR) on the authority's previously issued clean and drinking water subordinate-lien bonds. The 'AAA' rating reflects what we consider the state revolving fund program's ability to meet Standard&Poor's default tolerance criteria for a 'AAA' rated program based on cash flow tests for the authority's combined drinking water and clean water programs. Senior-lien bonds have been issued in the past to make new loans, while
