Samples of Discolored Water (IMAGE) American Society for Microbiology Caption Samples of discolored tap water and a rusty water filter were provided by Flint residents. Credit Virgina Tech/Jim Stroup Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.