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 ...

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 ...

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 ...

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 ...