Wet Basin (IMAGE) Penn State Caption A wet detention basin contains a large amount of water after a storm, making conversion of nitrate to gaseous nitrogen more complete. Credit Lauren E. McPhillips Usage Restrictions non commercial use only 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.