Arizona would be the fifth state to gain “primacy” over the permitting of wells used to inject carbon dioxide underground.

Arizona carbon injection wells oversight transferred to state control, officials celebrate while environmental groups fear ...

Arizona will regulate thousands of wells across the state used to inject water, chemicals, and possibly even carbon, into the ...

Wabash Valley Resources received the final permits to begin constructing two injection wells for geologic sequestration of carbon dioxide ... Vermillion County. The EPA opted not to exercise ...

For years, the EPA has enforced federal standards and overseen a type of well used across Arizona to inject certain materials deep underground. But now, the federal government has announced that it ...

At that event, EPA granted the state’s request for authority over carbon dioxide injection wells, which are regulated under the Safe Drinking Water Act. Arizona has also applied for that same ...

The lawsuit aims to compel the EPA to reject an Arizona Department of Environmental Quality permit allowing a multinational mining company, South32, to construct and operate the Hermosa heavy metals ...

On July 7, 2023, the EPA issued WVR two draft Underground Injection Control permits to construct wells for injection of carbon dioxide for permanent sequestration. A public meeting regarding the ...