PFAS in Surface Waters

A view of the Mad River

What are PFAS chemicals?

PFAS stands for “Per- and poly-fluoroalkyl substances.”  This is a large group of human-made chemicals that have been used in industry and in many consumer products since the 1950s because they are resistant to heat, water, oil, grease and stains.  There is growing concern because some of these chemicals have been linked to health problems even at very low contamination levels. 

Actions to Develop New Surface Water Quality Standards

Governor Scott signed Act 21 (Senate Bill 49), on May 16, 2019, containing, among other tasks, requirements to establish new water quality standards for PFAS chemicals.  Here’s a timeline for actions:

Please review this site periodically for updates.