Traces of Radioactive Cesium and Iodine found in Fukushima water table

Traces of Radioactive Cesium and Iodine found in Fukushima water table. They are not enough to cause serious problems if people drink it yet but it still is a concern.
http://www.cnn.com/2011/WORLD/asiapcf/03/16/japan.nuclear.reactors/?hpt=T1