Don't Be Fooled by Yesterday's Headlines, EPA Finds Fracking Contaminates Drinking Water
Don’t be fooled. Headlines in the New York Times and other news media about the U.S. Environmental Protection Agency’s (EPA) long-awaited study on the impacts of fracking on drinking water are another tragic case of not looking beyond the timid agency’s spin. Despite the lack of new substantive data and the limited scope of the study, the EPA did find instances of water contamination and outlined the areas where this could happen in the fracking process.
Rather than seriously undertaking its mission, the U.S. EPA’s headline and conclusions in the study reflect the agency’s on-going narrative about the safety of fracking. The agency asserted in the report on the study that there were no “widespread, systemic impacts on drinking water resources.” They based this outrageous conclusion on the limited industry controlled data and analysis that was included in the poorly designed research project.
The multi-million dollar study did not answer the fundamental questions about the pollution of water from hydraulic fracturing. The oil and gas industry pressured the agency in the design of the study, narrowing its scope and focusing it on theoretical modeling conducted by researchers that often conduct research favorable to the industry.
In a shocking display of the power of oil and gas interests, they successfully blocked the agency from gathering data from direct monitoring of fracking operations. Rather than demanding that companies like Exxon (the largest fracker in the U.S.) or Chesapeake allow them to monitor water wells near fracking operations, the EPA caved to industry pressure. For the study to be meaningful, the agency needed to conduct baseline water testing at prospective wells that would provide a snapshot of water quality before fracking and that would be retested after a year or more after oil or gas production began.
Geoffrey Thyne, a geochemist and a member of the EPA’s 2011 Science Advisory Board, a group of independent scientists who reviewed the plan for the study, remarked on the failure of its design: “This was supposed to be the gold standard. But they went through a long bureaucratic process of trying to develop a study that is not going to produce a meaningful result.”
Yet even with the study’s poor design and the deceptive headlines, the 600-page document does include concrete examples that fracking does indeed contaminate groundwater resources, a fact already confirmed by numerous studies based on existing scientific data. The study confirmed cases of water contamination with five after-the-fact, or retrospective, case studies, each focused on a community where residents have complained about water problems for years. This embarrassingly limited review of the impacts from spills and releases, water withdrawals, and issues with waste disposal provide proof that fracking negatively impacts our water resources. They included:
- Drinking water monitoring wells had “chemicals or brine” from a blowout that occurred during fracking operations in Killdeer, North Dakota.
- “Up to nine out of 36” wells considered in a Northeastern Pennsylvania case study “are impacted by stray gas (methane and ethane) associated with nearby hydraulic fracturing activities.”
- In Southwestern Pennsylvania, wastewater pits and other storage sites caused chloride contamination. Regarding stray hydrocarbon gas found in domestic water wells, the EPA determines it was from shallower gas formations, not the targeted shale formation, but whether nearby drilling through the shallower formations led to such contamination remains unanswered.
- At the same time as hydraulic fracturing operations in Wise County, Texas, two water wells were impacted by increased presence of brines.
This incomplete and inadequate study is an embarrassment for the Obama Administration and the EPA. It falls far short of the level of scrutiny and government oversight needed to protect the health and safety of the many millions of Americans living in watersheds impacted by fracking—nearly ten million within one mile of a fracked well, according to the study.
Unfortunately the study and related media coverage will provide the industry more cover for continuing its poisoning of our nation’s drinking water via widespread drilling and fracking. Oil and gas industry foxes have once again been allowed to call the shots at the EPA’s henhouse, and protect their vision for widespread fracking, with what the EPA now confirms to be more than 25,000 new oil and gas wells each year.
Simply put, the EPA admits that fracking has been found to contaminate water, but its incomplete analysis and false characterization of its findings greatly downplays the severity of the problem. Industry’s pressure on the agency has politicized what is a basic public health concern. Putting a resource as precious and universally important as drinking water at risk is simply unacceptable, and the EPA, which is charged with protecting Americans from environmental risk, should be working to do everything it can to safeguard these vital water resources. This study is fodder to continue our ongoing fight to ban fracking everywhere.
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Fish exposed to endocrine-disrupting compounds pass on health problems to future generations, including deformities, reduced survival, and reproductive problems, according to a new study.
Low Levels Lead to Generational Impacts<p>Researchers exposed inland silverside fish to bifenthrin, levonorgestrel, ethinylestradiol, and trenbolone to levels currently found in waterways.</p><p>"Our concentrations were actually on the low end" of what is found in the wild, DeCourten said, adding that it was low amounts of chemicals in parts per trillion.</p><p>Bifenthrin is a pesticide; levonorgestrel and ethinylestradiol are synthetic hormones used in birth controls; and trenbolone is a synthetic steroid often given to cattle to bulk them up.</p><p>Such endocrine-disruptors have already been linked to a variety of health problems in directly exposed fish including altered growth, reduced survival, lowered egg production, skewed sex ratios, and negative impacts to immune systems. But what remains less clear is how the exposure may impact future generations.</p><p>For their study, DeCourten and colleagues started the exposure when the fish were embryos and continued it for 21 days.</p><p>They then tracked effects on the exposed fish, and the next two generations.</p>
Inherited Problems<p>DeCourten said the altered DNA methylation is one of the plausible ways that future generations would experience health impacts from previous generations' exposure. Hormone-disrupting compounds have been shown to impact DNA methylation, which is an important marker of how an organism will develop.</p><p>"Methyl groups are added to specific sites on the genome, [the exposure] is not changing the genome itself, but rather how the genome is expressed," she said. "And that can be inherited throughout generations."</p><p>In addition, Brander said there are essentially different "tags" that exist on DNA molecules, which tell genes how to turn on and off. She said the exposure to different compounds may be "influencing which methyl tags get taken on or off as you proceed through generations."</p><p>The researchers said the study should prompt future toxics testing to consider impacts on future generations.</p><p>"The results … throw a wrench in the current approach to regulating chemicals, where it's often short-term testing looking at simple things like growth, survival, and maybe gene expression," Brander said.</p><p>"These findings are telling us we really at least need to consider" the next two generations, she added.</p>
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Consumers have long turned to vitamins and herbs to try to protect themselves from disease. This pandemic is no different — especially with headlines that scream "This supplement could save you from coronavirus."
Vitamin D<p><strong>What it is: </strong>Called "the sunshine vitamin" because the body makes it naturally in the presence of ultraviolet light, <a href="https://www.sciencenews.org/article/vitamin-d-supplements-lose-luster" target="_blank">Vitamin D is one of the most heavily studied</a> supplements (<em>SN: 1/27/19</em>). <a href="https://health.gov/our-work/food-nutrition/2015-2020-dietary-guidelines/guidelines/appendix-12/" target="_blank">Certain foods</a>, including fish and fortified milk products, are also high in the vitamin.</p><p><strong>Why it might help: </strong>Vitamin D is a hormone building block that helps strengthen the immune system.</p><p><strong>How it works for other infections:</strong> In 2017, the <em>British Medical Journal</em> published a meta-analysis that suggested a daily vitamin D supplement <a href="https://www.bmj.com/content/356/bmj.i6583" target="_blank">might help prevent respiratory infections</a>, particularly in people who are deficient in the vitamin.</p><p>But one key word here is <em>deficient. </em>That risk is highest during dark winters at high latitudes and among people with more color in their skin (melanin, a pigment that's higher in darker skin, inhibits the production of vitamin D).</p><p>"If you have enough vitamin D in your body, the evidence doesn't stack up to say that giving you more will make a real difference," says Susan Lanham-New, head of the Nutritional Sciences Department at the University of Surrey in England.</p><p>And taking too much can create new health problems, stressing certain internal organs and leading to a dangerously high calcium buildup in the blood. The recommended daily allowance for adults is 600 to 800 International Units per day, and the upper limit is considered to be 4,000 IUs per day.</p><p><strong>What we know about Vitamin D and COVID-19:</strong> Few studies have looked directly at whether vitamin D makes a difference in COVID.</p>
Zinc<p><strong>What it is: </strong>Zinc, a mineral found in cells all over the body, is found naturally in certain meats, beans and oysters.</p><p><strong>Why it might help: </strong>It plays several supportive roles in the immune system, which is why zinc lozenges are always hot sellers in cold and flu season. Zinc also helps with cell division and growth.</p><p><strong>How it works for other infections: </strong><a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6457799/" target="_blank" rel="noopener noreferrer">Studies of using zinc for colds</a> — which are frequently caused by coronaviruses — suggest that using a supplement right after symptoms start might make them go away quicker. That said, a clinical trial from researchers in Finland and the United Kingdom, published in January in <em>BMJ Open</em> <a href="https://bmjopen.bmj.com/content/10/1/e031662" target="_blank" rel="noopener noreferrer">did not find any value for zinc lozenges</a> for the treatment of colds. Some researchers have theorized that inconsistencies in data for colds may be explained by varying amounts of zinc released in different lozenges.</p><p><strong>What we know about zinc and COVID-19:</strong> The mineral is promising enough that it was added to some early studies of hydroxychloroquine, a drug tested early in the pandemic. (Studies have since shown that <a href="https://www.sciencenews.org/article/covid-19-coronavirus-hydroxychloroquine-no-evidence-treatment" target="_blank">hydroxychloroquine can't prevent or treat COVID-19</a> (<em>SN: 8/2/20</em>).)</p>
Vitamin C<p><strong>What it is: </strong>Also called L-ascorbic acid, vitamin C has a long list of roles in the body. It's found naturally in fruits and vegetables, especially citrus, peppers and tomatoes.</p><p><strong>Why it might help:</strong> It's a potent antioxidant that's important for a healthy immune system and preventing inflammation.</p><p><strong>How it works for other infections: </strong>Thomas cautions that the data on vitamin C are often contradictory. One review from Chinese researchers, published in February in the <em>Journal of Medical Virolog</em>y, looked at <a href="https://onlinelibrary.wiley.com/doi/full/10.1002/jmv.25707" target="_blank">what is already known about vitamin C</a> and other supplements that might have a role in COVID-19 treatment. Among other encouraging signs, human studies find a lower incidence of pneumonia among people taking vitamin C, "suggesting that vitamin C might prevent the susceptibility to lower respiratory tract infections under certain conditions."</p><p>But for preventing colds, a 2013 Cochrane review of 29 studies <a href="https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000980.pub4/full" target="_blank" rel="noopener noreferrer">didn't support the idea</a> that vitamin C supplements could help in the general population. However, the authors wrote, given that vitamin C is cheap and safe, "it may be worthwhile for common cold patients to test on an individual basis whether therapeutic vitamin C is beneficial."</p><p><strong>What we know about Vitamin C and COVID-19: </strong>About a dozen studies are under way or planned to examine whether vitamin C added to coronavirus treatment helps with symptoms or survival, including Thomas' study at the Cleveland Clinic.</p><p>In a review published online in July in <em>Nutrition</em>, researchers from KU Leuven in Belgium concluded that the <a href="https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000980.pub4/full" target="_blank" rel="noopener noreferrer">vitamin may help prevent infection</a> and tamp down the dangerous inflammatory reaction that can cause severe symptoms, based on what is known about how the nutrient works in the body.</p><p>Melissa Badowski, a pharmacist who specializes in viral infections at the University of Illinois at Chicago College of Pharmacy and colleague Sarah Michienzi published an extensive look at all supplements that might be useful in the coronavirus epidemic. There's <a href="https://www.drugsincontext.com/can-vitamins-and-or-supplements-provide-hope-against-coronavirus/" target="_blank" rel="noopener noreferrer">still not enough evidence to know whether they are helpful</a>, the pair concluded in July in <em>Drugs in Context</em>. "It's not really clear if it's going to benefit patients," Badowski says.</p><p>And while supplements are generally safe, she adds that nothing is risk free. The best way to avoid infection, she says, is still to follow the advice of epidemiologists and public health experts: "Wash your hands, wear a mask, stay six feet apart."</p>
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