Arsenic water treatment system (IMAGE) University of California - Berkeley Caption The Rev. Dennis Hutson waters plants on his farm in Allensworth, Calif. UC Berkeley engineers are collaborating with Hutson and other Allensworth community leaders to field test a new arsenic treatment system that could help provide safe drinking water to California's rural communities. Credit UC Berkeley photo by Adam Lau Usage Restrictions with credit 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.