Proposed rule · 2025-10957

Texas Underground Injection Control (UIC) Program; Class VI Primacy

The U.S. Environmental Protection Agency (EPA or the Agency) has received a complete Underground Injection Control (UIC) program revision application from the State of Texas, requesting primary enforcement responsibility (primacy) for Class VI injection wells under Safe Drinking Water Act (SDWA) section 1422. The EPA's approval would allow the Railroad Commission of Texas (RRC) to issue and enforce compliance with UIC Class VI permits for injection wells used for geologic carbon sequestration. In this action, the EPA proposes to approve Texas' application to implement the UIC program for Class VI injection wells located within the State, except those on Indian lands.