Read the full article by Amanda Olsen (Riverhead News-Review)
“At the recent meeting of the Calverton Restoration Advisory Board, the Navy addressed the expansion of well testing for polyfluoroalkyl substances, or PFAS, around the former Grumman property. Due to advances in testing and new information about groundwater flow, more sampling is needed — including from wells that were already tested. The Navy is now seeking permission to sample drinking water from these private wells. Properties connected to the Riverhead Water District or Suffolk County Water Authority do not need to have their drinking water tested.
A map provided by the Navy shows the Grumman property bordered in a dashed yellow line. The green area is where water was tested from 2016-2020. Purple is the new area of testing. Wells that were below the Department of Defense acceptable levels are blue; wells that were above are yellow.” …