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0000017a-15d9-d736-a57f-17ff8f4d0000NHPR’s ongoing coverage of water contamination at the former Pease Air Force Base and in the communities surrounding the Saint-Gobain Performance Plastics plant in Merrimack. We’ll keep you updated on day to day developments, and ask bigger questions, such as:What do scientists know about the health effects of perfluorochemicals like PFOA, PFOS and PFHxS?How are policy makers in New Hampshire responding to these water contaminants?How are scientists and policymakers communicating potential risks?How are other states responding to similar contaminations?

Toxic Chemicals Found in Water of Some N.H. Fire Departments

Editor's note: An earlier version of this story reported that elevated PFCs were found in the Franklin Fire Department's drinking water. The chemicals were actually detected in a monitoring well at the department.

At least four New Hampshire fire departments have found an elevated level of toxic chemicals known as PFCs, either in their drinking water or in nearby monitoring wells.

The state says the Kingston and Windham Fire Stations reported elevated levels of PFCs, or perflourinated chemicals, in their well water. Elevated levels were also found in monitoring wells at the Franklin Fire Department and the former fire station at New Boston Air Base.

Those findings come from the 12 departments that have sent test results to the Department of Environmental Services so far, with more expected.

PFCs are found in many man-made substances, including some firefighting foams that can run off into private wells. Some studies have linked PFCs to cancer and other health problems.

The Department of Environmental Services decided last year that New Hampshire drinking water should contain less than 70 parts per trillion of PFCs. The wells in Windham and Kingston were roughly twice that limit.

Four other departments found PFCs under the state limit, and another four didn't find PFCs in their water at all. The DES has not released results from fire training areas or airports.

The state has recommended all fire departments with private wells test for PFCs, and may do more testing in areas with positive results.

Map: Click on the dots to see test results from wells at some NH fire stations. Click here for detailed data released by NH DES relating to these sites.

Annie has covered the environment, energy, climate change and the Seacoast region for NHPR since 2017. She leads the newsroom's climate reporting project, By Degrees.
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