EPA Continues to Delay Approval of Class VI CCS Injection Wells

To store carbon dioxide (CO2) underground, you need a Class VI CO2 injection well. Currently, the federal EPA is the primary regulator (has “primacy”) in regulating Class VI wells in all but two states (neither of which is a Marcellus/Utica state). PA and other oil and gas states are seeking to become the lead regulator for Class VI CO2 wells, which we explained in a post in March (see Understanding “Primacy” Issue for Class VI (CO2) Injection Wells). It’s critically important for individual states, like PA, to be the lead regulator--to have “primacy” in regulating Class VI wells. Yet the Biden EPA is slow-walking the process that would give individual states primacy.

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