Fracking – Injection wells – The hidden risks of pumping waste underground – Polluted water fuels a battle for answers.

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Fracking-injection wells-Polluted water fuels a battle for answers.

by Abrahm Lustgarten ProPublica, June 21, 2012, 10:01 a.m.

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For the better part of a decade, Rev. David Hudson has been fighting to uncover what’s polluting the water in his home town.

Hudson moved to DeBerry, Texas, a poor, predominantly black community straddling the Louisiana border in 2002.

DeBerry lies in the heart of the Haynesville Shale natural gas development. When Hudson moved in, the area was littered with injection wells used to deposit waste from oil and gas drilling deep beneath the earth.

The well sites – often located just a few yards from residents’ doorsteps – were busy industrial zones clogged with truck traffic and holding tanks. Oil stains spattered the ground around pipes where waste was pumped underground.

Hudson said he soon noticed that his well water had a metallic flavor and a sharp smell. Congregants in his church told him theirs was cloudy and salty to taste, leaving rings in toilets and sinks. They said they had been complaining to Texas officials since 1996, yet no one had investigated.

“Our cries, they just fall on deaf ears,” Hudson said.

Shortly after moving to DeBerry, Hudson sent water from his well and four of his neighbors’ to be tested for pollutants. The results showed high levels of chlorides, chemicals found in drilling waste, a federal report said.

According to the report, Hudson shared the tests with Basic Energy Services, the company that operated the waste wells nearby, which sent them to the Railroad Commission of Texas, the agency that regulates disposal wells for oil and gas drilling waste.

Nearly a year after receiving the material, commission officials tested DeBerry’s water themselves, confirming that it contained arsenic, cadmium, lead, benzene and other substances. The contamination was extensive enough that they advised DeBerry residents not to drink their water, leaving Hudson and others to purchase bottled water.

In 2004, Texas officials ordered the injection wells in DeBerry to be permanently shut down. A series of 30-foot monitoring wells were drilled to test for leaking waste around the area, and one deeper well was drilled to take samples from 170 feet below. None of the data collected enabled the Railroad Commission to determine the cause of the pollution, however.

To Hudson and others, there were powerful clues in the commission’s own records, which showed that one of the injection wells had a history of problems. In 2000, a Louisiana trucking company illegally dumped thousands of gallons of hazardous waste from an oil refinery into it, material far more dangerous than the well was allowed to accept under government regulations. Five years later, a mechanical integrity test detected a crack in the well structure that allowed waste to leak.

“Produced water was observed flowing from between the surface casing and the production casing,” a Railroad Commission official wrote to Basic Energy Services in Feb. 2006. “RRC staff requests that Basic immediately evaluate the need for further environmental investigation of groundwater.”

Still, federal and state regulators struggled to obtain a definitive answer about what caused the pollution.

According to a 2007 report by the U.S. Environmental Protection Agency’s inspector general, the Railroad Commission had a difficult time getting Basic Energy to cooperate. The agency ordered the company to drill additional deep disposal wells to monitor DeBerry’s water, but the company refused.

“Basic Energy Services informed the State that it did not believe the contamination was its responsibility, and since the freshwater well had been plugged, deeper groundwater testing could not be conducted,” the inspector general’s report said.

Basic Energy Services did not return a call requesting comment.

The Railroad Commission told ProPublica that it had done everything it could to solve the mystery.

“The commission investigation did not identify a large plume of hydrocarbon and saltwater in the groundwater that connected the former… facility to residents’ water wells,” said Ramona Nye, a spokeswoman for the agency. “Commission staff address all water well complaints promptly and base their decisions on science and fact.”

Unsatisfied with the state’s progress, federal EPA officials took over the investigation in 2005 under the Superfund program, ordering more water sampling around the injection wells. For the first time, a decade after the saga began, the EPA also began supplying bottled water to DeBerry residents.

By 2007, however, the EPA also concluded that injection wells played no part in DeBerry’s water contamination.

“A range of surface activities including septic systems, surface spills and/or agricultural and domestic practices caused the ground water contamination,” an EPA spokesperson told ProPublica in an April, 2012 email. “Comprehensive review of the admin record for the injection wells in question indicated no ground water contamination from the wells.”

The EPA declined to allow any of its staff in Texas to be interviewed for this story, sending written responses to several questions.

The 2007 inspector general report suggested the EPA’s conclusion may have been premature, however.

“Region 6 personnel told us they believe evidence shows the contamination did not originate from the injection well,” the inspector general’s report states. “Neither the State nor EPA has conclusively determined the source of the contamination… The full extent of the contamination, its lateral limits, its depth, and its migration patterns or movement along the groundwater plume is not known.”

Earlier this month, EPA officials returned to DeBerry to sample five public drinking water wells, in “response to community concerns,” according to a statement sent to ProPublica by the agency Wednesday. The agency did not respond to questions about whether it was reconsidering its previous conclusions.

Hudson has little hope that the renewed scrutiny will yield closure.

“We will always have a problem proving the contaminants are coming from injection wells. You’d have to have a camera underneath the ground somewhere,” Hudson said. “Even if they find oil and gas carcinogens in the water, they are going to find another way to say it came from somewhere else. Nobody wants to say what the cause was.”

[toggle title=” Facts: Ten scariest chemicals used in hydraulic fracking ” height=”auto”]  The following is courtousy of Michael Kelley | Mar. 16, 2012, 1:35 PM


MethanolFlickr/prizepony [justify] [justify]Methanol appeared most often in hydraulic fracturing products (in terms of the number of compounds containing the chemical).
Found in antifreeze, paint solvent and vehicle fuel.
Vapors can cause eye irritation, headache and fatigue, and in high enough doses can be fatal. Swallowing may cause eye damage or death.

BTEX compounds

BTEX compoundsFlcikr/arimoore
[justify]The BTEX compounds – benzene, toluene, xylene, and ethylbenzene – are listed as hazardous air pollutants in the Clean Air Act and contaminents in the Safe Drinking Water Act.
Benzene, commonly found in gasoline, is also a known human carcinogen. Long time exposure can cause cancer, bone marrow failure, or leukemia. Short term effects include dizziness, weakness, headache, breathlessness, chest constriction, nausea, and vomiting. Toluene, ethylbenzene, and xylenes have harmful effects on the central nervous system. The hydraulic fracturing companies injected 11.4 million gallons of products containing at least one BTEX chemical between 2005 and 2009.

Diesel fuel

Diesel fuel[justify]A carcinogen listed as a hazardous air pollutant under the Clean Air Act and a contaminant in the Safe Drinking Water Act.
In its 2004 report, the EPA stated that the “use of diesel fuel in fracturing fluids poses the greatest threat” to underground sources of drinking water.
Hydraulic fracturing companies injected more than 30 million gallons of diesel fuel or hydraulic fracturing fluids containing diesel fuel in wells in 19 states.
Diesel fuel contains toxic constituents, including BTEX compounds. Contact with skin may cause redness, itching, burning, severe skin damage and cancer. (Kerosene is also used. Found in jet and rocket fuel, the vapor can cause irritation of the eyes and nose, and ingestion can be fatal. Chronic exposure may cause drowsiness, convulsions, coma or death.)


[justify]A carcinogen found in paint, building construction materials and roofing joints.
It is listed as a hazardous air pollutant in the Clean Air Act and a contaminant in the Safe Drinking Water Act.
Lead is particularly harmful to children’s neurological development. It also can cause reproductive problems, high blood pressure, and nerve disorders in adults.
One of the hydraulic fracturing companies used 780 gallons of a product containing lead between 2005 and 2009.

Hydrogen fluoride

Hydrogen fluorideFlickr/Molly Des Jardin
[justify]Found in rust removers, aluminum brighteners and heavy duty cleaners.
Listed as a hazardous air pollutant in the Clean Air Act.
Fumes are highly irritating, corrosive, and poisonous. Repeated ingestion over time can lead to hardening of the bones, and contact with liquid can produce severe burns. A lethal dose is 1.5 grams.
Absorption of substantial amounts of hydrogen fluoride by any route may be fatal.
One of the hydraulic fracturing companies used 67,222 gallons of two products containing hydrogen fluoride in 2008 and 2009.


[justify]A carcinogen found in mothballs.
Listed as a hazardous air pollutant in the Clean Air Act.
Inhalation can cause respiratory tract irritation, nausea, vomiting, abdominal pain, fever or death.

Sulfuric acid

Sulfuric acidFlickr/yetanotherdave
[justify]A carcinogen found in lead-acid batteries for cars.
Corrosive to all body tissues. Inhalation may cause serious lung damage and contact with eyes can lead to a total loss of vision. The lethal dose is between 1 teaspoonful and one-half ounce.

Crystalline silica

Crystalline silicaSource: ProPublica
[justify]A carcinogen found in concrete, brick mortar and construction sands.
Dust is harmful if inhaled repeatedly over a long period of time and can lead to silicosis or cancer.


[justify]A carcinogen found in embalming agents for human or animal remains.
Ingestion of even one ounce of liquid can cause death. Exposure over a long period of time can cause lung damage and reproductive problems in women.

Unknown chemicals

Unknown chemicalsFlickr/SoulRider.222
[justify] “Many of the hydraulic fracturing fluids contain chemical components that are listed as ‘proprietary’ or ‘trade secret.’ The companies used 94 million gallons of 279 products that contained at least one chemical or component that the manufacturers deemed proprietary or a trade secret. In many instances, the oil and gas service companies were unable to identify these ‘proprietary’ chemicals,suggesting that the companies are injecting fluids containing chemicals that they themselves cannot identify.”[/toggle]  

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