Paul the Water Man "Water Pros"

 Activated carbon treatment is the most studied treatment for the PFAS removal.  Activated carbon is commonly used to adsorb natural organic compounds, taste and odor compounds and synthetic organic chemicals in drinking water treatment systems.  Adsorption is both physical and chemical process of accumulating a substance such as PFAS, at the interface between liquid and solids phases.  Activated carbon is an effective adsorbent because it is a highly porous material and provides a large surface area to which contaminates may absorb. (Now keep in mind the other contaminates that will be adsorb.  This will take up surface area of the carbon shell.)  Activated Carbon is made from organic materials with high carbon contents such as wood, lignite and coal. (GAC = Granular Activated Carbon) GAC has been shown to effectively remove PFAS from drinking water when it is used in a flow through filter mode AFTER particulates have already been removed.  ( This mea...

 After listening to the plan from the EPA on how to remove the forever chemicals listed in the umbrella of PFAS, its clear the municipal water districts will have a hell of a time complying with the new regulations. The proposed National Primary Drinking Water Regulation  is allowing the EPA to enforce its new standards for regulating the PFAS contamination in our drinking water supply.  This is all well and good, until you look at the ways and means to actually remove the contaminate.  On a large Municipal water supply, you can have tens of thousands to hundreds of thousands of customers.  The water Volume alone in a five inch or eight inch water main is tremendous.  With the high volume and flow rates, the size of the filter or the amount of media would be in the range of a half a million plus cubic feet.  Ok, lets back up a bit. One effective way to remove the PFAS from your water supply is anion resin.  This most cost effective with its regene...

 Last week the EPA had a webinar regarding its proposed regulations for municipal water providers regarding the contamination of our water supply from PFA/PFO's.  Manufactured chemicals that have been used in industry and consumer products since the 1940's.  PFA's tend to break down extremely slowly in the environment and can build up in people, animals, trees, plants and environment in whole.  The EPA states that over a long period of time PFAS may: Lead to negative health effects on pregnant  women and in developing babies.  Lead to increase risk of some cancers and liver damage.  Lead to elevated cholesterol levels.  DRINKING water is one major way people are becoming exposed. NOW we have different PFAS in our drinking water that the EPA is identifying.  They find that several different types of PFAS are mixing together. The EPA is proposing a National Primary Drinking Water Regulation (NPDWR) to establish legally enforceable levels, calle...