Per- and polyfluoroalkyl chemicals, known commonly as PFAS, could take over 40 years to flush out of contaminated groundwater in North Carolina's Cumberland and Bladen counties, according to a new study from North Carolina State University. The study used a novel combination of data on PFAS, groundwater age-dating tracers, and groundwater flux to forecast PFAS concentrations in groundwater discharging to tributaries of the Cape Fear River in North Carolina.
Is reverse osmosis enough or do I need a fancy PFAS filter too?
Reverse osmosis manages to remove about 90% of PFAS.
If you already have reverse osmosis, you’re probably good.
As a long cost option for others reading this, apparently the activated charcoal Berkey filters remove 100% of PFAS, and due to the filters being rated to last 8 years of continuous use, are exceptionally affordable.
To bring the costs even lower, you can just buy the filters and not the expensive stainless steel containers by drilling some holes in a 5gal plastic bucket for the filters (it’s gravity fed) and place another bucket below to collect it.
To bring the cost even lower, you can make your own activated charcoal filters. Theyre very simple.
No clue, but I wouldn’t even be surprised if parts of filtration systems use PFAS themselves as coatings or similar, to reduce friction in pumps, for water proofing etc.