health officials nicknamed them forever chemicals. that's according to the centers for disease control and prevention. scientists have linked the health issues to health issues including cancer. the environmentalackle the issue, but critics say it falls far short. molly line reporting from cape cod where water contamination is higher than the national average. hi, molly. >> hi, shep. the town has spent $16 million. kind of the money investment if they can find a contamination like this to install a filtration system, this is in the shadow of the firefighters academy. firefighter foam is one of the top contamination of pfas. >> a number of chemical companies have been sued that have produced firefighter foam that the town has purchased. we're pursuing that through courts to see if we can get reimbursement. >> the epa has pushed back on the plan to address these substances that have been linked to cancer, thyroid issues. environmentalists say the plan doesn't go far enough. >> the plan doesn't stop the introduction of more pfas into the air and water and doesn't include real commitments to clean up the mess we've created. >> this plan goes fast and comprehensive plan. we're using our super fund