Of course to me this seems flawed in that Kentucky American Water is doing the report and their parent company, RWE AG of Essen, Germany, has a long record of abuses along these lines... so is there still something to worry about, are we getting all of the information?
2005 Central Kentucky Report
To find information about the quality and owners of your local water system:
EPA: Local Drinking Water Quality Reports
EPA: Public Drinking Water Systems Programs
EPA: Drinking Water and Health
Also read an introductory essay on the problems associated with growing bottled water consumption:
Jay Weinstein: Water Crisis Ships In