Oklahoma Landfills regulations & environmental compliance analysis

Oklahoma Landfills: What you need to know

Governing Law and Regulations

Hazardous waste landfill rules: Oklahoma Administrative Code (OAC) 252:205-3-2(f) and OAC 252:205-3-2(g) (interim status)

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Solid waste landfill rules: OAC 252:515

Regulatory Agency

Oklahoma Department of Environmental Quality (DEQ) Land Protection Division

See ADDRESSES & CONTACTS for addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. At present, Oklahoma has only one commercial landfill that accepts hazardous waste, located in Major County. The state's rules for hazardous waste landfills are stricter than the federal rules due to more stringent permit and fee requirements.

Solid (nonhazardous) wastes. Oklahoma follows the federal rules for solid (nonhazardous) waste landfills, with some additional state requirements. See the state section SOLID WASTE for more information.

Administration and enforcement. DEQ's Land Protection Division administers and enforces both the hazardous and solid (nonhazardous) waste landfill requirements in Oklahoma.

State Requirements


Owners and operators of hazardous waste disposal facilities, which include hazardous waste landfills, are subject to several additional state permit conditions not included in the federal rules. The state has additional permit application requirements for disposal facilities, including those regarding siting standards, on-site inspectors, and an emergency plan.

Hazardous waste landfill owners and operators pay various state fees in Oklahoma, including those for permit application, post-closure care permits, and for permit modifications. The state also requires facilities to pay an annual monitoring inspection ...

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