Last week, the U.S. Environmental Protection Agency proposed new guidelines regulating the presence of PFAS in municipal water systems. The proposal would require all U.S. cities to test for, and limit, the levels of six PFAS chemicals in drinking water. 

WBUR Climate and Environment Correspondent Barbara Moran joins The Common for a deeper look at these proposed limitations, and what they mean for your drinking water, and possibly your water bill, here in Massachusetts.

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