UI Professor Explains Forever Chemicals


Josie Taylor | June 28, 2021

University of Iowa professor, Dave Cwiertny gave a presentation via Zoom to a CGRER member. He explained PFAS chemicals in drinking water, which are also referred to as forever chemicals. He gave an explanation for what they are, why people should be concerned, and what can be done now.

Professor Cwiertny near the beginning of the presentation tells us why PFAS exists in the first place. PFAS is a man-made chemical that does have some desirable traits. They have oil and water repellence, temperature resistance and friction reduction. They are used in non-stick cookware and fire fighting foams. Areas near fire fighting locations, like airports, landfills or near food processing locations are at a higher risk of being exposed to PFAS chemicals in their drinking water. Here you can view the PFAS cycle.

PFAS chemicals are something to be concerned about because they can cause problems, specifically for pregnant women. Exposure to PFAS chemicals can cause low birth weight, preterm birth and other problems.

If you have an unregulated private well, you should check if you are near a location that has history of PFAS contamination. Free testing could be available through Iowa Grants to Counties. If you have public water, contact your provider and ask about their plans testing for PFAS chemicals through the Department of Natural Resources.

If you have extra concerns or questions you can contact Professor Cwiertny through his email (david-cwiertny@uiowa.edu) or by phone (319-335-1401).

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