Governing Law and Regulations
Ohio Environmental Protection Agency (OEPA) Division of Drinking and Ground Waters
Ohio Department of Natural Resources (ODNR) Division of Oil and Gas Resources
U.S. Environmental Protection Agency (EPA) Region 5
See ADDRESSES & CONTACTS for addresses and telephone numbers.
See national section for basic information and federal regulations.
Comparison: State vs. Federal
• Rules. Ohio has been delegated permitting authority for the regulation and permitting of Class I, II, III, IV, and V wells. Ohio adopts the federal permit-by-rule exemption for underground injection wells used for hazardous waste disposal, and requires individual permits for most other injection wells. All construction, operation, maintenance, and closure requirements, which are similar to the federal standards, are specified in the underground injection well's permit. For more information about the federal requirements, see the national section UNDERGROUND INJECTION WELLS.
Unique to Ohio are its waste minimization requirements for Class I underground injection wells, which are reviewed in this section. In addition, Ohio requires owners and operators of underground injection ...