EPA would govern geologic sequestration of carbon dioxide under proposed regulations released yesterday. The rule would create a new class of injection wells under the authority of the Safe Drinking Water Act's Underground Injection Control program.
Meanwhile, the House Energy and Commerce Subcommittee on Environment and Hazardous Materials will hold a hearing on carbon sequestration on July 24, focusing on its risks to drinking water.
According to the EPA Injection Well Inventory, Arizona has over 27,700 injection wells [right]