AUSTIN, Texas–(BUSINESS WIRE)–Fitch Ratings maintains the following Puerto Rico Aqueduct and Sewer Authority (PRASA) bonds on Rating Watch Negative: –Approximately $3.3 billion in outstanding senior lien revenue bonds, series A, B, 2012A and 2012B ‘CC’; –Approximately $285 million in outstanding revenue refunding bonds, series 2008A and 2008B (guaranteed by the Commonwealth of Puerto Rico) ‘CC’. SECURITY The senior bonds are secured by a gross lien of all authority revenues related to PRASA