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EPA to examine Texas oversight of oil, gas wastewater disposal wells

The U.S. Environmental Defense Company will examine Texas' oversight of wells used for injecting oil drilling wastewater and co2 into the ground after substantial concerns from ecological groups that the operations lag a wave of well blowouts, sinkholes and seismic activity.

The EPA announced the evaluation in a May 23 letter to the environmental groups that was seen on Friday.

A spokesperson for the EPA did not immediately respond to a. ask for comment.

9 Texas-based ecological and guard dog groups led by. Commission Shift and Tidy Water Action asked for the evaluation in. March.

Texas has authority to allow so-called class II injection. wells, which are utilized to dispose of drilling wastewater, as well. when it comes to injecting co2 underground to boost oil. healing in active fields.

Parts of Texas, particularly the Permian oil basin in the west. of the state, have actually been beleaguered by regular occurrences of blowouts. of unplugged wells and seismic activity connected to the injection. of wastewater into the subsurface, the petitioners said.

The groups had actually urged the U.S. regulator to evaluate whether. the Texas Railroad Commission, the state company that controls. oil production, exploration and transport, is meeting. federal requirements under the Safe Drinking Water Act to secure. public health and the environment.

A representative for the Railroad Commission said on Friday. that it has actually not yet been gotten in touch with by the EPA and stood by its. track record.

The RRC has a long-standing history of controling. underground injection that is protective of the environment and. public safety, commission representative Patty Ramon said in an. e-mail.

There are approximately 180,000 Class II injection wells. throughout the United States, with the largest concentration in. Texas, according to the EPA.

The groups that submitted the petition raised concerns that. there is no recourse from the RRC when they get reports of. badly managed class II wells which the regulator has not. analyzed the root causes of well leaks and blowouts or open well. permitting choices to the general public.

Our company believe that an extensive and transparent assessment by. the EPA will ultimately lead to more powerful defenses for our. water resources and greater accountability for regulatory. practices, stated Virginia Palacios, executive director of. Commission Shift.

The RRC has actually likewise made an application for authority, or primacy, from. the EPA to run its own allowing program for injecting carbon. dioxide underground for permanent storage.

Commission Shift said the concerns raised around its. management of wastewater disposal and carbon for oil recovery. raise warnings around its capability to control carbon. sequestration.

(source: Reuters)