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Airline Water Contaminated with 'Forever Chemicals'

  //travel-leisure.news-articles.net/content/2026/ .. e-water-contaminated-with-forever-chemicals.html
  Published in Travel and Leisure on Thursday, February 5th 2026 at 23:53 GMT by People
      Locales: UNITED STATES, CANADA, GERMANY, UNITED KINGDOM, JAPAN

Friday, February 6th, 2026 - A new study released today by the Environmental Working Group (EWG) is raising serious concerns about the quality of drinking water served on commercial flights. The report details the presence of concerning levels of per- and polyfluoroalkyl substances (PFAS) - commonly known as 'forever chemicals' - in water samples collected from flights operated by five of the largest US airlines: Alaska, Delta, JetBlue, Southwest, and United. The findings are prompting calls for immediate action from regulatory bodies like the Environmental Protection Agency (EPA) and the Federal Aviation Administration (FAA).

PFAS are a family of over 9,000 man-made chemicals known for their resistance to heat, water, and oil. This durability, while useful in various industrial and consumer applications, is precisely what makes them so dangerous. They do not readily break down in the environment, leading to widespread contamination of soil, water, and even the human body. Their persistence has earned them the moniker 'forever chemicals'. They are commonly found in firefighting foam, non-stick cookware, food packaging, and a range of other everyday products.

The EWG's study revealed that the levels of PFAS detected in airline water samples, while varying between carriers, consistently exceeded levels considered safe by many environmental health experts. The organization tested water sourced directly from airplane taps and beverage carts during routine flights. While the exact concentrations remain confidential to protect the integrity of ongoing investigations, EWG officials state the levels are high enough to warrant serious public health concern.

"Passengers are unknowingly being exposed to these chemicals with every sip of water they consume on flights," explains Craig Cox, senior program director for EWG's Water Program. "The potential health effects associated with PFAS exposure are significant, ranging from compromised immune function and developmental issues in children, to increased risk of certain cancers, thyroid disorders, and even reduced fertility. Even low levels of long-term exposure can accumulate in the body and pose a health risk."

The source of PFAS contamination in aircraft water systems is complex. While the water itself is sourced from municipal supplies at airports, the airplane's water tanks and distribution systems can act as a reservoir for contaminants. Furthermore, the systems are often infrequently flushed and maintained, allowing for the buildup of biofilms where PFAS can accumulate. The narrow pipes and closed environment within the aircraft exacerbate the problem.

This isn't the first time concerns have been raised about water quality on planes. In 2019, a similar investigation found evidence of coliform bacteria in aircraft water systems, highlighting a long-standing issue with water hygiene in the aviation industry. However, the discovery of PFAS adds a new layer of complexity, given the persistent and bioaccumulative nature of these chemicals.

The EWG is urging the EPA and FAA to establish stricter regulations for airline water quality. Their recommendations include mandatory testing of water supplies on all commercial flights, the implementation of advanced filtration systems capable of removing PFAS, and more frequent maintenance and flushing of aircraft water tanks. They also suggest exploring alternative materials in aircraft construction that do not contain PFAS.

"The FAA currently has no specific standards for PFAS in drinking water on airplanes," Cox stated. "This oversight is unacceptable. Passengers deserve to know that the water they are consuming is safe."

As of press time, representatives from Alaska, Delta, JetBlue, Southwest, and United Airlines have issued statements acknowledging the EWG's report and stating they are reviewing the findings. However, none have committed to specific immediate actions. Industry analysts predict the findings will likely lead to significant pressure on airlines to invest in improved water filtration technologies, potentially adding to operating costs. The long-term impact could be a push for standardized water quality protocols across the entire aviation sector, benefiting both passengers and the environment.

Passengers concerned about potential PFAS exposure can minimize their risk by bringing their own sealed water bottles onboard and avoiding consumption of beverages served during flights. Advocates are also calling for greater transparency from airlines regarding water testing results, empowering passengers to make informed choices.