ExxonMobil Chairman/CEO Rex Tillerson sounded very
confident when he told a congressional hearing last year that extracting
natural gas by the “hydraulically fractured” process has not led to
even one “reported case of a freshwater aquifer having ever been
contaminated.”
But drinking water supplies in Pavillion, Wyo., and Dimock,
Pa., are suspected of contamination from such drilling and a study by
Duke University researchers showed that methane can leak into drinking
water near active fracking sites.
The oil companies are backing up their story with an effective ad campaign. Example: ExxonMobil’s ad in the Sept. 19th New Yorker claims existing gas buried deep beneath our water supplies could “meet our needs for over 100 years.”
Besides having “thousands of feet of protective rock
between the natural gas deposit and any groundwater” drillers’ install
“multiple layers of steel and cement” in shale gas wells to keep the gas
“safely within the well,” the ad said. The slurry is made up of sand,
water, and chemicals—but drillers don’t have to identify the chemicals.
That’s because in the 2005 energy bill, crafted in part by
goodfella Vice-President Dick Cheney, “fracking was explicitly exempted
from federal review under the Safe Drinking Water Act,” writes Elizabeth
Kolbert in an incisive article in the December 5th New Yorker.
This
exemption, dubbed the “Halliburton Loophole,” does not require drillers
to reveal which chemicals they use, which are carcinogens such as
“benzene and formaldehyde.”
Might this be why some irate homeowners say
their tap water can be set on fire?
This hasn’t stopped more than 1,000 Pennsylvania and New
York property owners from accepting up-front payments (with a pledge of
future royalties) to allow drilling, even though “as much as forty per cent of (the water used
in extraction) can come back up out of the gas wells, bringing with it
corrosive salts, volatile organic compounds and radioactive elements,
such as radium, ” Kolbert writes.
Pennsylvania has asked drillers to stop taking this
flowback water to municipal treatment plants and New York State has
ordered a moratorium on fracking permits. And it is seeking to ban
fracking in New York City’s upstate watershed.
Says Delaware Gov. Jack Markell, “Once hydrofracturing
begins in the (Delaware River) basin, the proverbial ‘faucet’ cannot be
turned off, with any damage to our freshwater supplies likely requiring
generations of effort to clean up.”
In a letter earlier this year, Tom Curtis, deputy executive
director of the American Water Works Assn., called upon the EPA to
evaluate every pathway for drinking water contamination and asserted a
new study is needed that will cover fracking’s impact on water supply.
“Impacts on existing water resources can only be
ascertained by properly designed monitoring programs,” Curtis wrote.
“Protecting drinking water should trump everything.”
Indeed. It’s past time for state governments to ban all
fracking until additional research finds conclusively it is safe to
continue the practice—if it does.
The oil firms are claiming natural gas can satisfy the
nation’s energy wants for anywhere from a century to 250 years. No
doubt. But wind power, by contrast, is a resource that lasts forever.
What’s more, if harnessed, there’s enough of it blowing in just a
couple of Dakota counties to light up the entire USA year-round, and
without polluting the water we drink and upon which all life depends.
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