Facilities in Violation (EPA ECHO)
MARKWEST OKLAHOMA GAS CO LLC/BUTLER ARAPAHO GAS PLTSignificant Violation
ARAPAHO GAS PROCESSING PLT · BUTLER, OKActiveMCCLURE NATURAL GAS PROCESSING PLANT · BUTLER, OKActive
Source: U.S. EPA Toxic Release Inventory. Registration does not by itself indicate a health hazard.