This was from back in Septemper and March of 2021 showing the state putting it's money where it's mouth is with testing and engineering systems for mitigation. Grant 1 and 2 links below.

Those from the area such as I know one town mentioned was Ayer. I used to work out of that telco garage as a lineman years ago. There was an Army installation called Fort Devens. 
The military was not always known as responsible with chemical dumping..

https://www.mass.gov/news/baker-polito-administration-establishes-strict-standards-for-pfas-in-drinking-water-to-protect-communities-across-massachusetts

https://www.mass.gov/news/baker-polito-administration-awards-3-million-to-public-water-suppliers-to-address-pfas-contamination