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EPA Grants the State of Wyoming Primacy

Effective October 9, 2020, The EPA has approved the State of Wyoming to implement and enforce an underground injection control (UIC) regulatory program for Class VI Injection Wells.

The Environmental Protection Agency (EPA) has approved the State of Wyoming’s application under the Safe Drinking Water Act (SDWA) to implement an UIC program for Class VI wells.  Class VI wells are used for the underground injection of carbon dioxide into deep subsurface rock formations for long-term storage.  The EPA determined that Wyoming’s application meets or exceeds all applicable requirements and regulations allowing the state to administer the Class VI UIC program while protecting underground sources of drinking water.

EPA has approved Wyoming’s application because it meets or exceeds all applicable requirements for approval under the SDWA section 1422.  The Agency has determined that the state is capable of administering a Class VI UIC program in a manner consistent with the terms and purposes of the SDWA and all applicable regulations to protect underground sources of drinking water.  The EPA has found good cause to make this rule effective immediately.  The EPA will continue to oversee the Wyoming’s administration of the SDWA Class VI program by requiring regular reporting. 

Read the ruling here.