CHICAGO (Standard&Poor's) Nov. 29, 2011-- Standard&Poor's Ratings Services assigned its 'AAA' long-term rating to Iowa Finance Authority's nearly $182.3 million series 2011 state revolving fund (SRF) revenue bonds. At the same time, Standard&Poor's affirmed its 'AAA' long-term rating on the authority's outstanding revolving fund bonds. The outlook on all ratings is stable. "The 'AAA' rating reflects our view of the authority's large and diverse loan portfolio paired with a very competent management team with a proven track record of managing it," said Standard&Poor's credit analyst Scott Garrigan. "Further supporting the rating is the program's sufficient reserve levels, which meet our state-revolving fund criteria for 'AAA' rated programs," Mr. Garrigan added. Management indicates