Indiana Hazardous Waste Treatment regulations & environmental compliance analysis

Indiana Hazardous Waste Treatment: What you need to know

Governing Law and Regulations

Treatment facility design and operating rules: 329 Indiana Administrative Code (IAC) 3.1-9-1 and 329 IAC 3.1-10-1 (interim status)

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Chemical, physical, and biological treatment interim-status facility rules: 329 IAC 3.1-10-1

Thermal treatment interim-status facility rules: 329 IAC 3.1-10-1

Generator on-site treatment: 329 IAC 3.1-7-1

Regulatory Agency

Indiana Department of Environmental Management (IDEM) Office of Land Quality Compliance and Response Branch Hazardous Waste Management Program

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Indiana has adopted by reference the U.S. Environmental Protection Agency's (EPA) Hazardous Waste Generator Improvements Rule, effective in the state as of December 26, 2019, which includes standards that allow generators to treat hazardous waste on-site. In addition, Indiana's permit requirements for hazardous waste treatment facilities include the federal standards plus the state's additional rules requiring a permit application fee, various waste management fees, additional permit application information, and facility siting requirements. See the state section TSDF RESPONSIBILITIES to review these requirements and fees.

Administration and enforcement. The Indiana Department of Environmental Management's (IDEM) Compliance and Response Branch administers and enforces the hazardous waste treatment rules in Indiana.

State Requirements


329 IAC 3.1-7-1

As under the federal rules, Indiana allows hazardous waste generators to treat hazardous waste on-site without a permit, provided the generator treats hazardous waste in accumulation units such as tanks or containers that are in ...

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