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Railroad Commission briefs Aransas County on Class 6 carbon-storage permitting; one application affects county waters
Summary
A Railroad Commission official told Aransas County commissioners on May 11 that the agency has primacy to regulate Class 6 underground injection (permanent CO2 geologic storage), described monitoring and safety requirements and said one application affecting Aransas County (offshore state waters) is pending; a local public comment meeting will be held before any permit is issued.
Rob Castillo, manager of the Railroad Commission of Texas's Special Injection Permits unit, told Aransas County officials at a May 11 workshop that the agency now has primary enforcement authority for Class 6 underground injection control permits for permanent CO2 geologic storage and is reviewing applications that could affect the county.
Castillo said the Class 6 program protects underground sources of drinking water (USDWs) and requires robust site characterization, well-construction standards, continuous monitoring and emergency-response plans. "Operators are required to model for at least the first five years of injection what the CO2 plume is going to look like," Castillo said, adding that monitoring plans typically include continuous plume tracking and…
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