Ohio Underground Injection Wells regulations & environmental compliance analysis

Ohio Underground Injection Wells: What you need to know

Governing Law and Regulations

Permitting and operating rules: Ohio Administrative Code (OAC) 3745-34-01 to 3745-34-63

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Permit requirements: OAC 3745-34-12

Class I wells: OAC 3745-34-04(A), OAC 3745-34-13 to 3745-34-15, and OAC 3745-34-63

Seismic reflection survey: OAC 3745-34-40

Class II and III wells: OAC 3745-34-04(B), OAC 3745-34-04(C), OAC 3745-34-12, OAC 3745-34-16, OAC 1501:9-3-06, OAC 1501:9-3-07, and Ohio Revised Code Annotated (ORCA) 1509

Class IV wells: OAC 3745-34-04(D) and OAC 3745-34-08

Class V wells: OAC 3745-34-04(E), OAC 3745-34-11, and OAC 3745-34-16

Waste minimization plans: ORCA 6111.045

Regulatory Agencies

Ohio Environmental Protection Agency (Ohio EPA) 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

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 wells to pay annual permit fees and monthly or annual disposal fees. Since the state's ...

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