NEW YORK (Standard&Poor's) Aug. 23, 2010--Standard&Poor's Ratings Services assigned its 'A-' unsecured debt rating to United Waterworks Inc.'s (UWW) $35 million Series 2010A Water Facilities Revenue Bonds. The bonds were issued through the New York State Environmental Facilities Corp. UWW will use the proceeds to pay or reimburse for infrastructure improvements in the company's New Rochelle service territory. As of June 30, 2010, UWW had $388 million of total debt. "The company's stand-alone business risk profile is excellent, reflecting a favorable regulatory environment, lack of competition, geographic diversity, largely residential markets, and low operating risk," said Standard&Poor's credit analyst Kenneth L. Farer. "Reliance on Suez Environnement for periodic capital infusions to fund capital spending