Support WBURElevated Levels Of Suspected Carcinogen Found In States' Drinking WaterPlay04:51Download AudioHansi Lo WangMarch 31, 2016 ShareThe village of Hoosick Falls, N.Y., sits along the Hoosick River in eastern New York. Elevated levels of a suspected carcinogen known as PFOA were found in the village's well water, which is now filtered. (NPR)