What are PFAS?
PFAS (per- and polyfluoroalkyl substances) are a group of man-made chemicals that resist breaking down in the environment.
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Environment / Water Quality
Forever Chemicals in Drinking Water: What You Need to Know
The Environmental Protection Agency (EPA) is adjusting its approach to regulating per- and polyfluoroalkyl substances (PFAS), commonly known as 'forever chemicals,' in drinking water. This comes roughly a year after the Biden administration...
Key Insights
- PFAS are a group of man-made chemicals that persist in the environment and accumulate in the human body.
- Exposure to certain PFAS has been linked to kidney disease, low-birth weight, high cholesterol, and certain cancers.
- The EPA initially set limits on two common types of PFAS (PFOA and PFOS) at 4 parts per trillion but is now extending the deadline for utilities to meet these limits to 2031.
- The EPA plans to scrap limits on three less well-known types of PFAS, including GenX substances, PFHxS, and PFNA, as well as a limit on mixtures of PFAS.
- Environmental groups criticize the EPA's decision to weaken regulations, while industry groups have mixed reactions, citing concerns about cost and underlying science.
In-Depth Analysis
PFAS, or perfluoroalkyl and polyfluoroalkyl substances, are a group of chemicals used in various products, from non-stick cookware to firefighting foam, due to their resistance to breaking down. This same property makes them persistent in the environment, leading to widespread contamination of air, water, and soil. The Biden administration had previously set strict limits on PFOA and PFOS, two common types of PFAS, based on scientific evidence of their potential health risks.
The EPA's decision to extend deadlines for compliance and rescind limits on certain PFAS reflects ongoing debate and considerations of cost and feasibility. While some argue that these changes weaken public health protections, others point to the need for more time and resources for water utilities to comply with regulations.
Utilities now have until 2031 to meet the PFOA and PFOS limits. Sampling has found nearly 12% of U.S. water utilities exceed Biden administration limits. The EPA's actions only partially address the issue, and more is needed to prevent significant impacts on local communities and other unintended consequences.
FAQ
Why are PFAS harmful?
PFAS accumulate in the body and have been linked to various health problems, including kidney disease, low-birth weight, high cholesterol, and certain cancers.
What is the EPA doing about PFAS?
The EPA is adjusting limits on certain PFAS in drinking water, extending deadlines for compliance with PFOA and PFOS limits, and rescinding limits on other PFAS types.
Takeaways
- Be aware of the potential presence of PFAS in your drinking water.
- Stay informed about local water quality reports and EPA regulations.
- Consider using water filters certified to remove PFAS.
- Advocate for stronger regulations and investments in water treatment infrastructure.
- The EPA plans to scrap limits on three types of PFAS, some of which are less well known. They include GenX substances commonly found in North Carolina as well as substances called PFHxS and PFNA.
Discussion
What are your thoughts on the EPA's changing regulations regarding PFAS in drinking water? Share this article with others who need to stay ahead of this trend!
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Sources
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