WRGB TV reports that Petersburgh in Rensselaer County has lifted all restrictions on its drinking water. Like Hoosick Falls, Petersburgh has been struggling with the dangerous chemical PFOA in its drinking water, but a notice on the town website April 13 says the latest test results did not find PFOA in the drinking water. The town had added a new filtration system since the discovery of PFOA in the water. read the full story on the WRGB TV website.