Aaran's pond (IMAGE) University of South Florida Caption Aaran's Pond, in Tampa, Fla., where USF researchers are testing a first-of-its-kind filtration system to remove pollutants and capture nutrients from stormwater runoff. Credit University of South Florida Usage Restrictions NA License Original 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.