Ohio Surface Impoundments regulations & environmental compliance analysis

Ohio Surface Impoundments: What you need to know

Governing Law and Regulations

Hazardous waste surface impoundment rules: Ohio Administrative Code (OAC) 3745-56-20 to 3745-56-31 and OAC 3745-67-20 to 3745-67-30 (interim status)

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Monthly report and fee: OAC 3745-50-35

Federal organic air emissions rules: 40 CFR 264 Subparts BB and CC and 40 CFR 265 Subparts BB and CC

Regulatory Agencies

Ohio Environmental Protection Agency (OEPA) Division of Materials and Waste Management Hazardous Waste Management Program

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 follows the federal surface impoundment rules and adds requirements in connection with reporting, permits, and fees.

Administration and enforcement. OEPA's Division of Materials and Waste Management administers and enforces the surface impoundment requirements in Ohio. EPA's Region 5 office administers and enforces the federal organic air emissions standards in the state.

State Requirements


OAC 3745-50-35

An owner or operator of a surface impoundment used to treat hazardous waste must submit a monthly activity report to OEPA. The report must summarize how much waste was treated and be submitted no later than the 40th day after the end of the month the report covers. In addition, a monthly treatment fee also has to be paid to OEPA with the monthly report if the surface impoundment is used to treat hazardous waste generated off-site. See the state section HAZARDOUS WASTE TREATMENT to review the report and fee requirements.


Owners and operators of surface impoundments must comply ...

Read more about Surface Impoundments