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Public Radio's Environmental News Magazine (follow us on Google News)

Groundwater Contamination on Fracked Land

Air Date: Week of

Natural gas fracking in Louisiana (Photo: Daniel Foster)

Natural gas is booming in the United States but many are concerned about the safety of extraction. A new AP investigation studied complaints of groundwater contamination from fracking, and reporter Kevin Begos tells host Steve Curwood all about it.


CURWOOD: From the Jennifer and Ted Stanley Studios in Boston and PRI, this is an encore edition of Living on Earth. I’m Steve Curwood. The increased development and use of natural gas is part of the White House's "all of the above" strategy for addressing global warming. But while natural gas burns much cleaner then coal or oil, hydraulic fracturing, or fracking, used to extract the gas from deep underground, has generated controversy, especially its impact on water. Fracking uses huge quantities of water and there are also concerns that it can foul the underground reservoirs of water that people tap for wells. Now an investigation by the Associated Press has documented hundreds of complaints of drinking water contamination near fracking operations in Pennsylvania, Texas, Ohio, and West Virginia. Kevin Begos is an AP reporter based in Pittsburgh.

BEGOS: We just tried asking four states to give us their most recent documents on the number of complaints. You know, we didn’t file a lawsuit or “right to know,” we just acted as if we were an average member of the public or a journalist starting from scratch.

CURWOOD: So what exactly did they give you, these four states?

BEGOS: We were surprised that it varied widely. Texas gave far more data, for example; the data of each complaint, the well location, summary of the type of complaint, the status of the complaint. Ohio, West Virginia and Pennsylvannia more just gave very rough summaries; “here’s the numbers of complaints we have, here’s the numbers we’ve confirmed,” but there’s still a lot of unknowns about the Pennsylvania data and the other states.

CURWOOD: How many complaints did you find records of?

BEGOS: Pennsylvannia had 398 in 2013 and 499 in 2012. Ohio had, starting in 2010, 37 and it went up to 54, then 59 in 2012. West Virginia had a total of about 122 complaints over the past four years. Texas had a smaller number, 62 water well complaints even though they had more than 2,000 complaints in general about oil or gas drilling impacting property.

CURWOOD: And of those complaints, how many were deemed valid by the state?

Fracking protest (Photo: greensefa)

BEGOS: Pennsylvannia’s comfirmed at least 106 since 2005. Texas says they’ve confirmed none of the alleged water well contaminations. West Virginia said four cases. The evidence was strong enough that the driller took corrective action, and Ohio has six confirmed cases. So one of the big questions is, are these investigations rigorous enough? How have they been conducted? Is this a realistic snapshot of how many people really have problems?

CURWOOD: What kind of contamination are we talking about here for water wells?

BEGOS: Some of the best researchers have been finding that methane seems to be by far the most common problem. There’s been tremendous debate over whether any of the fracking chemicals get into water wells, but in practical terms a lot of people are having much simpler problems, just things, for example, something spilling on the surface and going into a creek or impacting a well...or the methane, excessive natural gas in a well. So it’s really not just about the chemicals. It’s sometimes about more run of the mill pollution.

CURWOOD: Excessive natural gas, methane, in a well—what are the odds that it could go boom?

BEGOS: They have actually a baseline where they consider the danger of it exploding, and they’re finding small numbers of wells with that excessive high methane, some of them closer to natural gas drilling sites. Occasionally some of those natural water wells have very high methane, so that’s what makes it difficult to investigate, separating the background problems from the possibly drilling-related problems.

CURWOOD: This body of complaints that you found in Pennsylvannia. What’s your sense of how many wells might in fact be affected, as opposed to people speaking up?

BEGOS: See, that’s where it’s impossible to speculate, and that was really the bigger point we’re making. Anybody can guess at these things or give opinions that hardly any of them are contaminated or many of them are contaminated. But that’s just guesswork. There really needs to be more disclosure so that question can be answered. And that’s what makes people fearful, some of the experts have said, is that the uncertainty is perhaps even worse than whatever the truth is.

Anti-fracking demonstrators protest outside of New York Governor Andrew Cuomo’s office. (Photo: CREDO.fracking)

CURWOOD: So after doing all this reporting, what’s your impression of this groundwater question, what’s the takeaway?

BEGOS: You know, one of the experts we spoke to has pointed out that people are incredibly sensitive about groundwater contamination. I mean, there’s all sorts of issues in modern life, air pollution and various water pollutions are things people are worried about, but drinking water pollution really worries people, the potential for it. That’s part of the tremendous concern over fracking. You can’t necessarily see it, it’s happening deep underground, and that makes it harder for people to know what is or isn’t happening, and that’s why people are asking so many questions.

CURWOOD: Kevin Begos reports for the Associated Press from Pittsburgh. Thanks so much, Kevin, for taking the time.

BEGOS: Thank you so much for having me.



Read AP reporter Kevin Begos’ piece “Some States Confirm Water Pollution from Drilling”


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