What Is State Primacy in EPA Class VI Permitting?

Sequestration
Written By Andy Ellis

State primacy allows states to take the lead in regulating underground CO₂ injection wells, streamlining the permitting process.

  • Under the Safe Drinking Water Act (SDWA), states can apply for primacy from the EPA.

  • States with primacy issue and enforce Class VI permits themselves.

  • This leads to faster approvals and more localized oversight.

States with Primacy:
North Dakota, Wyoming, Louisiana, Arizona and West Virginia.

States in the Process of Primacy:
Texas (in the final stage), Colorado, Arkansas, Nebraska, Utah, Alabama, New Mexico, Oklahoma, Mississippi

Impact:
These projects are reducing emissions, creating jobs, and advancing clean energy infrastructure.

Sta Primacy EPA comparison chart

At Lonquist,
We Bring Decades of Experience Working Alongside Both the EPA and Individual States in the Underground Injection Control (UIC) Space.

This deep-rooted history spans the full spectrum of UIC programs across the United States. With the emergence of Class VI regulations, many states are now pursuing primacy for various UIC classes. Our longstanding involvement in this field uniquely positions us to help clients navigate the complexities of these evolving regulatory frameworks with confidence and clarity.

Andy Ellis
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