Healthy stream (IMAGE) University of California - Santa Cruz Caption A few kilometers downstream from the mine, significant recovery of water quality and aquatic life has occurred since remediation of acid mine drainage. Credit David Herbst Usage Restrictions For use only with news coverage of this research 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.