https://apnews.com/58aab39c293785d482a90da5873865ae

BARNSTABLE, Mass. (AP) — A Massachusetts man who researched the levels of contamination in Cape Cod's bodies of water found that there were human-made chemicals in 21 ponds he tested.

Tom Cambareri, a hydrologist residing in Barnstable, collected water samples from ponds around town, finding a group of chemicals known as PFAS polluting the town's clean water supply, The Cape Cod Times reported.