Temporary halt for proposed CO2 pipeline through Illinois
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[February 07, 2023]
By Zeta Cross | The Center Square contributor
(The Center Square) – A proposed CO2 pipeline through parts of Illinois
is on hold.
The Texas pipeline company Navigator has withdrawn its application for a
certificate of authority to build a pipeline to carry liquid carbon
dioxide through 13 Illinois counties.
Pam Richart, co-founder of the Coalition to Stop CO2 Pipelines, said
Navigator has not been able to persuade landowners in Christian and
Montgomery counties that a large repository of CO2 can be safely stored
under their farms and land.
“Eighty percent of the landowners in Christian County who are in the
sequestration area have refused to sign leases,” Richart said to The
Center Square.
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Opponents are working closely with Montgomery County to help people
there understand the implications and potential risks of injecting and
storing large quantities of CO2 in neighboring Montgomery County,
Richart said.
The goal of the pipeline project is to transport CO2 from 32 different
sites across 1,300 miles to central Illinois where the Cambrian-age Mt.
Simon Sandstone Formation overlies the Precambrian granite basement of
the Illinois Basin. Geologists believe concentrated CO2 can be safely
injected underground under the Mt. Simon formation in a saline reservoir
where it will take 100 years to calcify. If the CO2 is stored deep under
the cap rock in central Illinois, geologists maintain that it will stay
there. But there are no guarantees, Richart said.
“We are concerned that they can’t guarantee that the CO2 will stay put
and not move,” Richart said.
People fear the CO2 could leak through the well itself. There could be
fractures in the cap rock that are not mapped that will allow CO2 to
leak.
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“The cap rock may be damaged in the process of high-pressure injection
of the CO2,” Richart said.
Leaked CO2 has the potential to contaminate local drinking water,
Richart said.
“When CO2 mixes with water, it creates carbonic acid. That releases
heavy metals and toxins from underground that can ruin the local water,”
she said.
If leaked CO2 rises to the surface and changes the CO2 levels in the
soil, crop yields could be affected, Richart said.
“Plant roots would not be as strong, or as deep and or as dense,” she
said.
In Oklahoma and Texas, injection of wastewater in the ground has caused
earthquakes, Richart said. Earthquakes would release the CO2 that they
want to sequester, defeating the purpose of the effort.
“They say it won’t happen here, but why should we believe them,” Richard
said. “It’s happening in places where they are injecting lesser volumes
of fluid at lower pressures than they intend to use here.”
And there is the question of the rights of the neighbors, Richart said.
One neighbor may agree to have CO2 injected in their land, but the
neighbor a mile or two away may not want the risk.
“The CO2 is going to move,” Richart said. “The neighbor will wind up
with CO2 under his or her property.”
Navigator said it intends to file a new pipeline application with the
Illinois Commerce Commission this month that would specify what route
the pipeline will take. Opponents are anxious to see the proposed route,
Richart said.
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